web-build: updated webcomponents to latest version.

rhodecode/public/js/vendors/webcomponentsjs/webcomponents-lite.js

@@ -1,2505 +1,2505 b''
 /**
  * @license
  * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
  * This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
  * The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
  * The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
  * Code distributed by Google as part of the polymer project is also
  * subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
  */
-// @version 0.7.22
+// @version 0.7.24
 (function() {
   window.WebComponents = window.WebComponents || {
     flags: {}
   };
   var file = "webcomponents-lite.js";
   var script = document.querySelector('script[src*="' + file + '"]');
   var flags = {};
   if (!flags.noOpts) {
     location.search.slice(1).split("&").forEach(function(option) {
       var parts = option.split("=");
       var match;
       if (parts[0] && (match = parts[0].match(/wc-(.+)/))) {
         flags[match[1]] = parts[1] || true;
       }
     });
     if (script) {
       for (var i = 0, a; a = script.attributes[i]; i++) {
         if (a.name !== "src") {
           flags[a.name] = a.value || true;
         }
       }
     }
     if (flags.log && flags.log.split) {
       var parts = flags.log.split(",");
       flags.log = {};
       parts.forEach(function(f) {
         flags.log[f] = true;
       });
     } else {
       flags.log = {};
     }
   }
   if (flags.register) {
     window.CustomElements = window.CustomElements || {
       flags: {}
     };
     window.CustomElements.flags.register = flags.register;
   }
   WebComponents.flags = flags;
 })();
 
 (function(scope) {
   "use strict";
   var hasWorkingUrl = false;
   if (!scope.forceJURL) {
     try {
       var u = new URL("b", "http://a");
       u.pathname = "c%20d";
       hasWorkingUrl = u.href === "http://a/c%20d";
     } catch (e) {}
   }
   if (hasWorkingUrl) return;
   var relative = Object.create(null);
   relative["ftp"] = 21;
   relative["file"] = 0;
   relative["gopher"] = 70;
   relative["http"] = 80;
   relative["https"] = 443;
   relative["ws"] = 80;
   relative["wss"] = 443;
   var relativePathDotMapping = Object.create(null);
   relativePathDotMapping["%2e"] = ".";
   relativePathDotMapping[".%2e"] = "..";
   relativePathDotMapping["%2e."] = "..";
   relativePathDotMapping["%2e%2e"] = "..";
   function isRelativeScheme(scheme) {
     return relative[scheme] !== undefined;
   }
   function invalid() {
     clear.call(this);
     this._isInvalid = true;
   }
   function IDNAToASCII(h) {
     if ("" == h) {
       invalid.call(this);
     }
     return h.toLowerCase();
   }
   function percentEscape(c) {
     var unicode = c.charCodeAt(0);
     if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 63, 96 ].indexOf(unicode) == -1) {
       return c;
     }
     return encodeURIComponent(c);
   }
   function percentEscapeQuery(c) {
     var unicode = c.charCodeAt(0);
     if (unicode > 32 && unicode < 127 && [ 34, 35, 60, 62, 96 ].indexOf(unicode) == -1) {
       return c;
     }
     return encodeURIComponent(c);
   }
   var EOF = undefined, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
   function parse(input, stateOverride, base) {
     function err(message) {
       errors.push(message);
     }
     var state = stateOverride || "scheme start", cursor = 0, buffer = "", seenAt = false, seenBracket = false, errors = [];
     loop: while ((input[cursor - 1] != EOF || cursor == 0) && !this._isInvalid) {
       var c = input[cursor];
       switch (state) {
        case "scheme start":
         if (c && ALPHA.test(c)) {
           buffer += c.toLowerCase();
           state = "scheme";
         } else if (!stateOverride) {
           buffer = "";
           state = "no scheme";
           continue;
         } else {
           err("Invalid scheme.");
           break loop;
         }
         break;
 
        case "scheme":
         if (c && ALPHANUMERIC.test(c)) {
           buffer += c.toLowerCase();
         } else if (":" == c) {
           this._scheme = buffer;
           buffer = "";
           if (stateOverride) {
             break loop;
           }
           if (isRelativeScheme(this._scheme)) {
             this._isRelative = true;
           }
           if ("file" == this._scheme) {
             state = "relative";
           } else if (this._isRelative && base && base._scheme == this._scheme) {
             state = "relative or authority";
           } else if (this._isRelative) {
             state = "authority first slash";
           } else {
             state = "scheme data";
           }
         } else if (!stateOverride) {
           buffer = "";
           cursor = 0;
           state = "no scheme";
           continue;
         } else if (EOF == c) {
           break loop;
         } else {
           err("Code point not allowed in scheme: " + c);
           break loop;
         }
         break;
 
        case "scheme data":
         if ("?" == c) {
           this._query = "?";
           state = "query";
         } else if ("#" == c) {
           this._fragment = "#";
           state = "fragment";
         } else {
-          if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+          if (EOF != c && "\t" != c && "\n" != c && "\r" != c) {
             this._schemeData += percentEscape(c);
           }
         }
         break;
 
        case "no scheme":
         if (!base || !isRelativeScheme(base._scheme)) {
           err("Missing scheme.");
           invalid.call(this);
         } else {
           state = "relative";
           continue;
         }
         break;
 
        case "relative or authority":
         if ("/" == c && "/" == input[cursor + 1]) {
           state = "authority ignore slashes";
         } else {
           err("Expected /, got: " + c);
           state = "relative";
           continue;
         }
         break;
 
        case "relative":
         this._isRelative = true;
         if ("file" != this._scheme) this._scheme = base._scheme;
         if (EOF == c) {
           this._host = base._host;
           this._port = base._port;
           this._path = base._path.slice();
           this._query = base._query;
           this._username = base._username;
           this._password = base._password;
           break loop;
         } else if ("/" == c || "\\" == c) {
           if ("\\" == c) err("\\ is an invalid code point.");
           state = "relative slash";
         } else if ("?" == c) {
           this._host = base._host;
           this._port = base._port;
           this._path = base._path.slice();
           this._query = "?";
           this._username = base._username;
           this._password = base._password;
           state = "query";
         } else if ("#" == c) {
           this._host = base._host;
           this._port = base._port;
           this._path = base._path.slice();
           this._query = base._query;
           this._fragment = "#";
           this._username = base._username;
           this._password = base._password;
           state = "fragment";
         } else {
           var nextC = input[cursor + 1];
           var nextNextC = input[cursor + 2];
           if ("file" != this._scheme || !ALPHA.test(c) || nextC != ":" && nextC != "|" || EOF != nextNextC && "/" != nextNextC && "\\" != nextNextC && "?" != nextNextC && "#" != nextNextC) {
             this._host = base._host;
             this._port = base._port;
             this._username = base._username;
             this._password = base._password;
             this._path = base._path.slice();
             this._path.pop();
           }
           state = "relative path";
           continue;
         }
         break;
 
        case "relative slash":
         if ("/" == c || "\\" == c) {
           if ("\\" == c) {
             err("\\ is an invalid code point.");
           }
           if ("file" == this._scheme) {
             state = "file host";
           } else {
             state = "authority ignore slashes";
           }
         } else {
           if ("file" != this._scheme) {
             this._host = base._host;
             this._port = base._port;
             this._username = base._username;
             this._password = base._password;
           }
           state = "relative path";
           continue;
         }
         break;
 
        case "authority first slash":
         if ("/" == c) {
           state = "authority second slash";
         } else {
           err("Expected '/', got: " + c);
           state = "authority ignore slashes";
           continue;
         }
         break;
 
        case "authority second slash":
         state = "authority ignore slashes";
         if ("/" != c) {
           err("Expected '/', got: " + c);
           continue;
         }
         break;
 
        case "authority ignore slashes":
         if ("/" != c && "\\" != c) {
           state = "authority";
           continue;
         } else {
           err("Expected authority, got: " + c);
         }
         break;
 
        case "authority":
         if ("@" == c) {
           if (seenAt) {
             err("@ already seen.");
             buffer += "%40";
           }
           seenAt = true;
           for (var i = 0; i < buffer.length; i++) {
             var cp = buffer[i];
-            if ("	" == cp || "\n" == cp || "\r" == cp) {
+            if ("\t" == cp || "\n" == cp || "\r" == cp) {
               err("Invalid whitespace in authority.");
               continue;
             }
             if (":" == cp && null === this._password) {
               this._password = "";
               continue;
             }
             var tempC = percentEscape(cp);
             null !== this._password ? this._password += tempC : this._username += tempC;
           }
           buffer = "";
         } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
           cursor -= buffer.length;
           buffer = "";
           state = "host";
           continue;
         } else {
           buffer += c;
         }
         break;
 
        case "file host":
         if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
           if (buffer.length == 2 && ALPHA.test(buffer[0]) && (buffer[1] == ":" || buffer[1] == "|")) {
             state = "relative path";
           } else if (buffer.length == 0) {
             state = "relative path start";
           } else {
             this._host = IDNAToASCII.call(this, buffer);
             buffer = "";
             state = "relative path start";
           }
           continue;
-        } else if ("	" == c || "\n" == c || "\r" == c) {
+        } else if ("\t" == c || "\n" == c || "\r" == c) {
           err("Invalid whitespace in file host.");
         } else {
           buffer += c;
         }
         break;
 
        case "host":
        case "hostname":
         if (":" == c && !seenBracket) {
           this._host = IDNAToASCII.call(this, buffer);
           buffer = "";
           state = "port";
           if ("hostname" == stateOverride) {
             break loop;
           }
         } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c) {
           this._host = IDNAToASCII.call(this, buffer);
           buffer = "";
           state = "relative path start";
           if (stateOverride) {
             break loop;
           }
           continue;
-        } else if ("	" != c && "\n" != c && "\r" != c) {
+        } else if ("\t" != c && "\n" != c && "\r" != c) {
           if ("[" == c) {
             seenBracket = true;
           } else if ("]" == c) {
             seenBracket = false;
           }
           buffer += c;
         } else {
           err("Invalid code point in host/hostname: " + c);
         }
         break;
 
        case "port":
         if (/[0-9]/.test(c)) {
           buffer += c;
         } else if (EOF == c || "/" == c || "\\" == c || "?" == c || "#" == c || stateOverride) {
           if ("" != buffer) {
             var temp = parseInt(buffer, 10);
             if (temp != relative[this._scheme]) {
               this._port = temp + "";
             }
             buffer = "";
           }
           if (stateOverride) {
             break loop;
           }
           state = "relative path start";
           continue;
-        } else if ("	" == c || "\n" == c || "\r" == c) {
+        } else if ("\t" == c || "\n" == c || "\r" == c) {
           err("Invalid code point in port: " + c);
         } else {
           invalid.call(this);
         }
         break;
 
        case "relative path start":
         if ("\\" == c) err("'\\' not allowed in path.");
         state = "relative path";
         if ("/" != c && "\\" != c) {
           continue;
         }
         break;
 
        case "relative path":
         if (EOF == c || "/" == c || "\\" == c || !stateOverride && ("?" == c || "#" == c)) {
           if ("\\" == c) {
             err("\\ not allowed in relative path.");
           }
           var tmp;
           if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
             buffer = tmp;
           }
           if (".." == buffer) {
             this._path.pop();
             if ("/" != c && "\\" != c) {
               this._path.push("");
             }
           } else if ("." == buffer && "/" != c && "\\" != c) {
             this._path.push("");
           } else if ("." != buffer) {
             if ("file" == this._scheme && this._path.length == 0 && buffer.length == 2 && ALPHA.test(buffer[0]) && buffer[1] == "|") {
               buffer = buffer[0] + ":";
             }
             this._path.push(buffer);
           }
           buffer = "";
           if ("?" == c) {
             this._query = "?";
             state = "query";
           } else if ("#" == c) {
             this._fragment = "#";
             state = "fragment";
           }
-        } else if ("	" != c && "\n" != c && "\r" != c) {
+        } else if ("\t" != c && "\n" != c && "\r" != c) {
           buffer += percentEscape(c);
         }
         break;
 
        case "query":
         if (!stateOverride && "#" == c) {
           this._fragment = "#";
           state = "fragment";
-        } else if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+        } else if (EOF != c && "\t" != c && "\n" != c && "\r" != c) {
           this._query += percentEscapeQuery(c);
         }
         break;
 
        case "fragment":
-        if (EOF != c && "	" != c && "\n" != c && "\r" != c) {
+        if (EOF != c && "\t" != c && "\n" != c && "\r" != c) {
           this._fragment += c;
         }
         break;
       }
       cursor++;
     }
   }
   function clear() {
     this._scheme = "";
     this._schemeData = "";
     this._username = "";
     this._password = null;
     this._host = "";
     this._port = "";
     this._path = [];
     this._query = "";
     this._fragment = "";
     this._isInvalid = false;
     this._isRelative = false;
   }
   function jURL(url, base) {
     if (base !== undefined && !(base instanceof jURL)) base = new jURL(String(base));
     this._url = url;
     clear.call(this);
     var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, "");
     parse.call(this, input, null, base);
   }
   jURL.prototype = {
     toString: function() {
       return this.href;
     },
     get href() {
       if (this._isInvalid) return this._url;
       var authority = "";
       if ("" != this._username || null != this._password) {
         authority = this._username + (null != this._password ? ":" + this._password : "") + "@";
       }
       return this.protocol + (this._isRelative ? "//" + authority + this.host : "") + this.pathname + this._query + this._fragment;
     },
     set href(href) {
       clear.call(this);
       parse.call(this, href);
     },
     get protocol() {
       return this._scheme + ":";
     },
     set protocol(protocol) {
       if (this._isInvalid) return;
       parse.call(this, protocol + ":", "scheme start");
     },
     get host() {
       return this._isInvalid ? "" : this._port ? this._host + ":" + this._port : this._host;
     },
     set host(host) {
       if (this._isInvalid || !this._isRelative) return;
       parse.call(this, host, "host");
     },
     get hostname() {
       return this._host;
     },
     set hostname(hostname) {
       if (this._isInvalid || !this._isRelative) return;
       parse.call(this, hostname, "hostname");
     },
     get port() {
       return this._port;
     },
     set port(port) {
       if (this._isInvalid || !this._isRelative) return;
       parse.call(this, port, "port");
     },
     get pathname() {
       return this._isInvalid ? "" : this._isRelative ? "/" + this._path.join("/") : this._schemeData;
     },
     set pathname(pathname) {
       if (this._isInvalid || !this._isRelative) return;
       this._path = [];
       parse.call(this, pathname, "relative path start");
     },
     get search() {
       return this._isInvalid || !this._query || "?" == this._query ? "" : this._query;
     },
     set search(search) {
       if (this._isInvalid || !this._isRelative) return;
       this._query = "?";
       if ("?" == search[0]) search = search.slice(1);
       parse.call(this, search, "query");
     },
     get hash() {
       return this._isInvalid || !this._fragment || "#" == this._fragment ? "" : this._fragment;
     },
     set hash(hash) {
       if (this._isInvalid) return;
       this._fragment = "#";
       if ("#" == hash[0]) hash = hash.slice(1);
       parse.call(this, hash, "fragment");
     },
     get origin() {
       var host;
       if (this._isInvalid || !this._scheme) {
         return "";
       }
       switch (this._scheme) {
        case "data":
        case "file":
        case "javascript":
        case "mailto":
         return "null";
       }
       host = this.host;
       if (!host) {
         return "";
       }
       return this._scheme + "://" + host;
     }
   };
   var OriginalURL = scope.URL;
   if (OriginalURL) {
     jURL.createObjectURL = function(blob) {
       return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
     };
     jURL.revokeObjectURL = function(url) {
       OriginalURL.revokeObjectURL(url);
     };
   }
   scope.URL = jURL;
 })(self);
 
 if (typeof WeakMap === "undefined") {
   (function() {
     var defineProperty = Object.defineProperty;
     var counter = Date.now() % 1e9;
     var WeakMap = function() {
       this.name = "__st" + (Math.random() * 1e9 >>> 0) + (counter++ + "__");
     };
     WeakMap.prototype = {
       set: function(key, value) {
         var entry = key[this.name];
         if (entry && entry[0] === key) entry[1] = value; else defineProperty(key, this.name, {
           value: [ key, value ],
           writable: true
         });
         return this;
       },
       get: function(key) {
         var entry;
         return (entry = key[this.name]) && entry[0] === key ? entry[1] : undefined;
       },
       "delete": function(key) {
         var entry = key[this.name];
         if (!entry || entry[0] !== key) return false;
         entry[0] = entry[1] = undefined;
         return true;
       },
       has: function(key) {
         var entry = key[this.name];
         if (!entry) return false;
         return entry[0] === key;
       }
     };
     window.WeakMap = WeakMap;
   })();
 }
 
 (function(global) {
   if (global.JsMutationObserver) {
     return;
   }
   var registrationsTable = new WeakMap();
   var setImmediate;
   if (/Trident|Edge/.test(navigator.userAgent)) {
     setImmediate = setTimeout;
   } else if (window.setImmediate) {
     setImmediate = window.setImmediate;
   } else {
     var setImmediateQueue = [];
     var sentinel = String(Math.random());
     window.addEventListener("message", function(e) {
       if (e.data === sentinel) {
         var queue = setImmediateQueue;
         setImmediateQueue = [];
         queue.forEach(function(func) {
           func();
         });
       }
     });
     setImmediate = function(func) {
       setImmediateQueue.push(func);
       window.postMessage(sentinel, "*");
     };
   }
   var isScheduled = false;
   var scheduledObservers = [];
   function scheduleCallback(observer) {
     scheduledObservers.push(observer);
     if (!isScheduled) {
       isScheduled = true;
       setImmediate(dispatchCallbacks);
     }
   }
   function wrapIfNeeded(node) {
     return window.ShadowDOMPolyfill && window.ShadowDOMPolyfill.wrapIfNeeded(node) || node;
   }
   function dispatchCallbacks() {
     isScheduled = false;
     var observers = scheduledObservers;
     scheduledObservers = [];
     observers.sort(function(o1, o2) {
       return o1.uid_ - o2.uid_;
     });
     var anyNonEmpty = false;
     observers.forEach(function(observer) {
       var queue = observer.takeRecords();
       removeTransientObserversFor(observer);
       if (queue.length) {
         observer.callback_(queue, observer);
         anyNonEmpty = true;
       }
     });
     if (anyNonEmpty) dispatchCallbacks();
   }
   function removeTransientObserversFor(observer) {
     observer.nodes_.forEach(function(node) {
       var registrations = registrationsTable.get(node);
       if (!registrations) return;
       registrations.forEach(function(registration) {
         if (registration.observer === observer) registration.removeTransientObservers();
       });
     });
   }
   function forEachAncestorAndObserverEnqueueRecord(target, callback) {
     for (var node = target; node; node = node.parentNode) {
       var registrations = registrationsTable.get(node);
       if (registrations) {
         for (var j = 0; j < registrations.length; j++) {
           var registration = registrations[j];
           var options = registration.options;
           if (node !== target && !options.subtree) continue;
           var record = callback(options);
           if (record) registration.enqueue(record);
         }
       }
     }
   }
   var uidCounter = 0;
   function JsMutationObserver(callback) {
     this.callback_ = callback;
     this.nodes_ = [];
     this.records_ = [];
     this.uid_ = ++uidCounter;
   }
   JsMutationObserver.prototype = {
     observe: function(target, options) {
       target = wrapIfNeeded(target);
       if (!options.childList && !options.attributes && !options.characterData || options.attributeOldValue && !options.attributes || options.attributeFilter && options.attributeFilter.length && !options.attributes || options.characterDataOldValue && !options.characterData) {
         throw new SyntaxError();
       }
       var registrations = registrationsTable.get(target);
       if (!registrations) registrationsTable.set(target, registrations = []);
       var registration;
       for (var i = 0; i < registrations.length; i++) {
         if (registrations[i].observer === this) {
           registration = registrations[i];
           registration.removeListeners();
           registration.options = options;
           break;
         }
       }
       if (!registration) {
         registration = new Registration(this, target, options);
         registrations.push(registration);
         this.nodes_.push(target);
       }
       registration.addListeners();
     },
     disconnect: function() {
       this.nodes_.forEach(function(node) {
         var registrations = registrationsTable.get(node);
         for (var i = 0; i < registrations.length; i++) {
           var registration = registrations[i];
           if (registration.observer === this) {
             registration.removeListeners();
             registrations.splice(i, 1);
             break;
           }
         }
       }, this);
       this.records_ = [];
     },
     takeRecords: function() {
       var copyOfRecords = this.records_;
       this.records_ = [];
       return copyOfRecords;
     }
   };
   function MutationRecord(type, target) {
     this.type = type;
     this.target = target;
     this.addedNodes = [];
     this.removedNodes = [];
     this.previousSibling = null;
     this.nextSibling = null;
     this.attributeName = null;
     this.attributeNamespace = null;
     this.oldValue = null;
   }
   function copyMutationRecord(original) {
     var record = new MutationRecord(original.type, original.target);
     record.addedNodes = original.addedNodes.slice();
     record.removedNodes = original.removedNodes.slice();
     record.previousSibling = original.previousSibling;
     record.nextSibling = original.nextSibling;
     record.attributeName = original.attributeName;
     record.attributeNamespace = original.attributeNamespace;
     record.oldValue = original.oldValue;
     return record;
   }
   var currentRecord, recordWithOldValue;
   function getRecord(type, target) {
     return currentRecord = new MutationRecord(type, target);
   }
   function getRecordWithOldValue(oldValue) {
     if (recordWithOldValue) return recordWithOldValue;
     recordWithOldValue = copyMutationRecord(currentRecord);
     recordWithOldValue.oldValue = oldValue;
     return recordWithOldValue;
   }
   function clearRecords() {
     currentRecord = recordWithOldValue = undefined;
   }
   function recordRepresentsCurrentMutation(record) {
     return record === recordWithOldValue || record === currentRecord;
   }
   function selectRecord(lastRecord, newRecord) {
     if (lastRecord === newRecord) return lastRecord;
     if (recordWithOldValue && recordRepresentsCurrentMutation(lastRecord)) return recordWithOldValue;
     return null;
   }
   function Registration(observer, target, options) {
     this.observer = observer;
     this.target = target;
     this.options = options;
     this.transientObservedNodes = [];
   }
   Registration.prototype = {
     enqueue: function(record) {
       var records = this.observer.records_;
       var length = records.length;
       if (records.length > 0) {
         var lastRecord = records[length - 1];
         var recordToReplaceLast = selectRecord(lastRecord, record);
         if (recordToReplaceLast) {
           records[length - 1] = recordToReplaceLast;
           return;
         }
       } else {
         scheduleCallback(this.observer);
       }
       records[length] = record;
     },
     addListeners: function() {
       this.addListeners_(this.target);
     },
     addListeners_: function(node) {
       var options = this.options;
       if (options.attributes) node.addEventListener("DOMAttrModified", this, true);
       if (options.characterData) node.addEventListener("DOMCharacterDataModified", this, true);
       if (options.childList) node.addEventListener("DOMNodeInserted", this, true);
       if (options.childList || options.subtree) node.addEventListener("DOMNodeRemoved", this, true);
     },
     removeListeners: function() {
       this.removeListeners_(this.target);
     },
     removeListeners_: function(node) {
       var options = this.options;
       if (options.attributes) node.removeEventListener("DOMAttrModified", this, true);
       if (options.characterData) node.removeEventListener("DOMCharacterDataModified", this, true);
       if (options.childList) node.removeEventListener("DOMNodeInserted", this, true);
       if (options.childList || options.subtree) node.removeEventListener("DOMNodeRemoved", this, true);
     },
     addTransientObserver: function(node) {
       if (node === this.target) return;
       this.addListeners_(node);
       this.transientObservedNodes.push(node);
       var registrations = registrationsTable.get(node);
       if (!registrations) registrationsTable.set(node, registrations = []);
       registrations.push(this);
     },
     removeTransientObservers: function() {
       var transientObservedNodes = this.transientObservedNodes;
       this.transientObservedNodes = [];
       transientObservedNodes.forEach(function(node) {
         this.removeListeners_(node);
         var registrations = registrationsTable.get(node);
         for (var i = 0; i < registrations.length; i++) {
           if (registrations[i] === this) {
             registrations.splice(i, 1);
             break;
           }
         }
       }, this);
     },
     handleEvent: function(e) {
       e.stopImmediatePropagation();
       switch (e.type) {
        case "DOMAttrModified":
         var name = e.attrName;
         var namespace = e.relatedNode.namespaceURI;
         var target = e.target;
         var record = new getRecord("attributes", target);
         record.attributeName = name;
         record.attributeNamespace = namespace;
         var oldValue = e.attrChange === MutationEvent.ADDITION ? null : e.prevValue;
         forEachAncestorAndObserverEnqueueRecord(target, function(options) {
           if (!options.attributes) return;
           if (options.attributeFilter && options.attributeFilter.length && options.attributeFilter.indexOf(name) === -1 && options.attributeFilter.indexOf(namespace) === -1) {
             return;
           }
           if (options.attributeOldValue) return getRecordWithOldValue(oldValue);
           return record;
         });
         break;
 
        case "DOMCharacterDataModified":
         var target = e.target;
         var record = getRecord("characterData", target);
         var oldValue = e.prevValue;
         forEachAncestorAndObserverEnqueueRecord(target, function(options) {
           if (!options.characterData) return;
           if (options.characterDataOldValue) return getRecordWithOldValue(oldValue);
           return record;
         });
         break;
 
        case "DOMNodeRemoved":
         this.addTransientObserver(e.target);
 
        case "DOMNodeInserted":
         var changedNode = e.target;
         var addedNodes, removedNodes;
         if (e.type === "DOMNodeInserted") {
           addedNodes = [ changedNode ];
           removedNodes = [];
         } else {
           addedNodes = [];
           removedNodes = [ changedNode ];
         }
         var previousSibling = changedNode.previousSibling;
         var nextSibling = changedNode.nextSibling;
         var record = getRecord("childList", e.target.parentNode);
         record.addedNodes = addedNodes;
         record.removedNodes = removedNodes;
         record.previousSibling = previousSibling;
         record.nextSibling = nextSibling;
         forEachAncestorAndObserverEnqueueRecord(e.relatedNode, function(options) {
           if (!options.childList) return;
           return record;
         });
       }
       clearRecords();
     }
   };
   global.JsMutationObserver = JsMutationObserver;
   if (!global.MutationObserver) {
     global.MutationObserver = JsMutationObserver;
     JsMutationObserver._isPolyfilled = true;
   }
 })(self);
 
 (function() {
   var needsTemplate = typeof HTMLTemplateElement === "undefined";
   if (/Trident/.test(navigator.userAgent)) {
     (function() {
       var importNode = document.importNode;
       document.importNode = function() {
         var n = importNode.apply(document, arguments);
         if (n.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
           var f = document.createDocumentFragment();
           f.appendChild(n);
           return f;
         } else {
           return n;
         }
       };
     })();
   }
   var needsCloning = function() {
     if (!needsTemplate) {
       var t = document.createElement("template");
       var t2 = document.createElement("template");
       t2.content.appendChild(document.createElement("div"));
       t.content.appendChild(t2);
       var clone = t.cloneNode(true);
       return clone.content.childNodes.length === 0 || clone.content.firstChild.content.childNodes.length === 0;
     }
   }();
   var TEMPLATE_TAG = "template";
   var TemplateImpl = function() {};
   if (needsTemplate) {
     var contentDoc = document.implementation.createHTMLDocument("template");
     var canDecorate = true;
     var templateStyle = document.createElement("style");
     templateStyle.textContent = TEMPLATE_TAG + "{display:none;}";
     var head = document.head;
     head.insertBefore(templateStyle, head.firstElementChild);
     TemplateImpl.prototype = Object.create(HTMLElement.prototype);
     TemplateImpl.decorate = function(template) {
       if (template.content) {
         return;
       }
       template.content = contentDoc.createDocumentFragment();
       var child;
       while (child = template.firstChild) {
         template.content.appendChild(child);
       }
       template.cloneNode = function(deep) {
         return TemplateImpl.cloneNode(this, deep);
       };
       if (canDecorate) {
         try {
           Object.defineProperty(template, "innerHTML", {
             get: function() {
               var o = "";
               for (var e = this.content.firstChild; e; e = e.nextSibling) {
                 o += e.outerHTML || escapeData(e.data);
               }
               return o;
             },
             set: function(text) {
               contentDoc.body.innerHTML = text;
               TemplateImpl.bootstrap(contentDoc);
               while (this.content.firstChild) {
                 this.content.removeChild(this.content.firstChild);
               }
               while (contentDoc.body.firstChild) {
                 this.content.appendChild(contentDoc.body.firstChild);
               }
             },
             configurable: true
           });
         } catch (err) {
           canDecorate = false;
         }
       }
       TemplateImpl.bootstrap(template.content);
     };
     TemplateImpl.bootstrap = function(doc) {
       var templates = doc.querySelectorAll(TEMPLATE_TAG);
       for (var i = 0, l = templates.length, t; i < l && (t = templates[i]); i++) {
         TemplateImpl.decorate(t);
       }
     };
     document.addEventListener("DOMContentLoaded", function() {
       TemplateImpl.bootstrap(document);
     });
     var createElement = document.createElement;
     document.createElement = function() {
       "use strict";
       var el = createElement.apply(document, arguments);
       if (el.localName === "template") {
         TemplateImpl.decorate(el);
       }
       return el;
     };
     var escapeDataRegExp = /[&\u00A0<>]/g;
     function escapeReplace(c) {
       switch (c) {
        case "&":
         return "&amp;";
 
        case "<":
         return "&lt;";
 
        case ">":
         return "&gt;";
 
        case " ":
         return "&nbsp;";
       }
     }
     function escapeData(s) {
       return s.replace(escapeDataRegExp, escapeReplace);
     }
   }
   if (needsTemplate || needsCloning) {
     var nativeCloneNode = Node.prototype.cloneNode;
     TemplateImpl.cloneNode = function(template, deep) {
       var clone = nativeCloneNode.call(template, false);
       if (this.decorate) {
         this.decorate(clone);
       }
       if (deep) {
         clone.content.appendChild(nativeCloneNode.call(template.content, true));
         this.fixClonedDom(clone.content, template.content);
       }
       return clone;
     };
     TemplateImpl.fixClonedDom = function(clone, source) {
       if (!source.querySelectorAll) return;
       var s$ = source.querySelectorAll(TEMPLATE_TAG);
       var t$ = clone.querySelectorAll(TEMPLATE_TAG);
       for (var i = 0, l = t$.length, t, s; i < l; i++) {
         s = s$[i];
         t = t$[i];
         if (this.decorate) {
           this.decorate(s);
         }
         t.parentNode.replaceChild(s.cloneNode(true), t);
       }
     };
     var originalImportNode = document.importNode;
     Node.prototype.cloneNode = function(deep) {
       var dom = nativeCloneNode.call(this, deep);
       if (deep) {
         TemplateImpl.fixClonedDom(dom, this);
       }
       return dom;
     };
     document.importNode = function(element, deep) {
       if (element.localName === TEMPLATE_TAG) {
         return TemplateImpl.cloneNode(element, deep);
       } else {
         var dom = originalImportNode.call(document, element, deep);
         if (deep) {
           TemplateImpl.fixClonedDom(dom, element);
         }
         return dom;
       }
     };
     if (needsCloning) {
       HTMLTemplateElement.prototype.cloneNode = function(deep) {
         return TemplateImpl.cloneNode(this, deep);
       };
     }
   }
   if (needsTemplate) {
     window.HTMLTemplateElement = TemplateImpl;
   }
 })();
 
 (function(scope) {
   "use strict";
-  if (!window.performance) {
+  if (!(window.performance && window.performance.now)) {
     var start = Date.now();
     window.performance = {
       now: function() {
         return Date.now() - start;
       }
     };
   }
   if (!window.requestAnimationFrame) {
     window.requestAnimationFrame = function() {
       var nativeRaf = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
       return nativeRaf ? function(callback) {
         return nativeRaf(function() {
           callback(performance.now());
         });
       } : function(callback) {
         return window.setTimeout(callback, 1e3 / 60);
       };
     }();
   }
   if (!window.cancelAnimationFrame) {
     window.cancelAnimationFrame = function() {
       return window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || function(id) {
         clearTimeout(id);
       };
     }();
   }
   var workingDefaultPrevented = function() {
     var e = document.createEvent("Event");
     e.initEvent("foo", true, true);
     e.preventDefault();
     return e.defaultPrevented;
   }();
   if (!workingDefaultPrevented) {
     var origPreventDefault = Event.prototype.preventDefault;
     Event.prototype.preventDefault = function() {
       if (!this.cancelable) {
         return;
       }
       origPreventDefault.call(this);
       Object.defineProperty(this, "defaultPrevented", {
         get: function() {
           return true;
         },
         configurable: true
       });
     };
   }
   var isIE = /Trident/.test(navigator.userAgent);
   if (!window.CustomEvent || isIE && typeof window.CustomEvent !== "function") {
     window.CustomEvent = function(inType, params) {
       params = params || {};
       var e = document.createEvent("CustomEvent");
       e.initCustomEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable), params.detail);
       return e;
     };
     window.CustomEvent.prototype = window.Event.prototype;
   }
   if (!window.Event || isIE && typeof window.Event !== "function") {
     var origEvent = window.Event;
     window.Event = function(inType, params) {
       params = params || {};
       var e = document.createEvent("Event");
       e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable));
       return e;
     };
     window.Event.prototype = origEvent.prototype;
   }
 })(window.WebComponents);
 
 window.HTMLImports = window.HTMLImports || {
   flags: {}
 };
 
 (function(scope) {
   var IMPORT_LINK_TYPE = "import";
   var useNative = Boolean(IMPORT_LINK_TYPE in document.createElement("link"));
   var hasShadowDOMPolyfill = Boolean(window.ShadowDOMPolyfill);
   var wrap = function(node) {
     return hasShadowDOMPolyfill ? window.ShadowDOMPolyfill.wrapIfNeeded(node) : node;
   };
   var rootDocument = wrap(document);
   var currentScriptDescriptor = {
     get: function() {
       var script = window.HTMLImports.currentScript || document.currentScript || (document.readyState !== "complete" ? document.scripts[document.scripts.length - 1] : null);
       return wrap(script);
     },
     configurable: true
   };
   Object.defineProperty(document, "_currentScript", currentScriptDescriptor);
   Object.defineProperty(rootDocument, "_currentScript", currentScriptDescriptor);
   var isIE = /Trident/.test(navigator.userAgent);
   function whenReady(callback, doc) {
     doc = doc || rootDocument;
     whenDocumentReady(function() {
       watchImportsLoad(callback, doc);
     }, doc);
   }
   var requiredReadyState = isIE ? "complete" : "interactive";
   var READY_EVENT = "readystatechange";
   function isDocumentReady(doc) {
     return doc.readyState === "complete" || doc.readyState === requiredReadyState;
   }
   function whenDocumentReady(callback, doc) {
     if (!isDocumentReady(doc)) {
       var checkReady = function() {
         if (doc.readyState === "complete" || doc.readyState === requiredReadyState) {
           doc.removeEventListener(READY_EVENT, checkReady);
           whenDocumentReady(callback, doc);
         }
       };
       doc.addEventListener(READY_EVENT, checkReady);
     } else if (callback) {
       callback();
     }
   }
   function markTargetLoaded(event) {
     event.target.__loaded = true;
   }
   function watchImportsLoad(callback, doc) {
     var imports = doc.querySelectorAll("link[rel=import]");
     var parsedCount = 0, importCount = imports.length, newImports = [], errorImports = [];
     function checkDone() {
       if (parsedCount == importCount && callback) {
         callback({
           allImports: imports,
           loadedImports: newImports,
           errorImports: errorImports
         });
       }
     }
     function loadedImport(e) {
       markTargetLoaded(e);
       newImports.push(this);
       parsedCount++;
       checkDone();
     }
     function errorLoadingImport(e) {
       errorImports.push(this);
       parsedCount++;
       checkDone();
     }
     if (importCount) {
       for (var i = 0, imp; i < importCount && (imp = imports[i]); i++) {
         if (isImportLoaded(imp)) {
           newImports.push(this);
           parsedCount++;
           checkDone();
         } else {
           imp.addEventListener("load", loadedImport);
           imp.addEventListener("error", errorLoadingImport);
         }
       }
     } else {
       checkDone();
     }
   }
   function isImportLoaded(link) {
     return useNative ? link.__loaded || link.import && link.import.readyState !== "loading" : link.__importParsed;
   }
   if (useNative) {
     new MutationObserver(function(mxns) {
       for (var i = 0, l = mxns.length, m; i < l && (m = mxns[i]); i++) {
         if (m.addedNodes) {
           handleImports(m.addedNodes);
         }
       }
     }).observe(document.head, {
       childList: true
     });
     function handleImports(nodes) {
       for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
         if (isImport(n)) {
           handleImport(n);
         }
       }
     }
     function isImport(element) {
       return element.localName === "link" && element.rel === "import";
     }
     function handleImport(element) {
       var loaded = element.import;
       if (loaded) {
         markTargetLoaded({
           target: element
         });
       } else {
         element.addEventListener("load", markTargetLoaded);
         element.addEventListener("error", markTargetLoaded);
       }
     }
     (function() {
       if (document.readyState === "loading") {
         var imports = document.querySelectorAll("link[rel=import]");
         for (var i = 0, l = imports.length, imp; i < l && (imp = imports[i]); i++) {
           handleImport(imp);
         }
       }
     })();
   }
   whenReady(function(detail) {
     window.HTMLImports.ready = true;
     window.HTMLImports.readyTime = new Date().getTime();
     var evt = rootDocument.createEvent("CustomEvent");
     evt.initCustomEvent("HTMLImportsLoaded", true, true, detail);
     rootDocument.dispatchEvent(evt);
   });
   scope.IMPORT_LINK_TYPE = IMPORT_LINK_TYPE;
   scope.useNative = useNative;
   scope.rootDocument = rootDocument;
   scope.whenReady = whenReady;
   scope.isIE = isIE;
 })(window.HTMLImports);
 
 (function(scope) {
   var modules = [];
   var addModule = function(module) {
     modules.push(module);
   };
   var initializeModules = function() {
     modules.forEach(function(module) {
       module(scope);
     });
   };
   scope.addModule = addModule;
   scope.initializeModules = initializeModules;
 })(window.HTMLImports);
 
 window.HTMLImports.addModule(function(scope) {
   var CSS_URL_REGEXP = /(url\()([^)]*)(\))/g;
   var CSS_IMPORT_REGEXP = /(@import[\s]+(?!url\())([^;]*)(;)/g;
   var path = {
     resolveUrlsInStyle: function(style, linkUrl) {
       var doc = style.ownerDocument;
       var resolver = doc.createElement("a");
       style.textContent = this.resolveUrlsInCssText(style.textContent, linkUrl, resolver);
       return style;
     },
     resolveUrlsInCssText: function(cssText, linkUrl, urlObj) {
       var r = this.replaceUrls(cssText, urlObj, linkUrl, CSS_URL_REGEXP);
       r = this.replaceUrls(r, urlObj, linkUrl, CSS_IMPORT_REGEXP);
       return r;
     },
     replaceUrls: function(text, urlObj, linkUrl, regexp) {
       return text.replace(regexp, function(m, pre, url, post) {
         var urlPath = url.replace(/["']/g, "");
         if (linkUrl) {
           urlPath = new URL(urlPath, linkUrl).href;
         }
         urlObj.href = urlPath;
         urlPath = urlObj.href;
         return pre + "'" + urlPath + "'" + post;
       });
     }
   };
   scope.path = path;
 });
 
 window.HTMLImports.addModule(function(scope) {
   var xhr = {
     async: true,
     ok: function(request) {
       return request.status >= 200 && request.status < 300 || request.status === 304 || request.status === 0;
     },
     load: function(url, next, nextContext) {
       var request = new XMLHttpRequest();
       if (scope.flags.debug || scope.flags.bust) {
         url += "?" + Math.random();
       }
       request.open("GET", url, xhr.async);
       request.addEventListener("readystatechange", function(e) {
         if (request.readyState === 4) {
           var redirectedUrl = null;
           try {
             var locationHeader = request.getResponseHeader("Location");
             if (locationHeader) {
               redirectedUrl = locationHeader.substr(0, 1) === "/" ? location.origin + locationHeader : locationHeader;
             }
           } catch (e) {
             console.error(e.message);
           }
           next.call(nextContext, !xhr.ok(request) && request, request.response || request.responseText, redirectedUrl);
         }
       });
       request.send();
       return request;
     },
     loadDocument: function(url, next, nextContext) {
       this.load(url, next, nextContext).responseType = "document";
     }
   };
   scope.xhr = xhr;
 });
 
 window.HTMLImports.addModule(function(scope) {
   var xhr = scope.xhr;
   var flags = scope.flags;
   var Loader = function(onLoad, onComplete) {
     this.cache = {};
     this.onload = onLoad;
     this.oncomplete = onComplete;
     this.inflight = 0;
     this.pending = {};
   };
   Loader.prototype = {
     addNodes: function(nodes) {
       this.inflight += nodes.length;
       for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
         this.require(n);
       }
       this.checkDone();
     },
     addNode: function(node) {
       this.inflight++;
       this.require(node);
       this.checkDone();
     },
     require: function(elt) {
       var url = elt.src || elt.href;
       elt.__nodeUrl = url;
       if (!this.dedupe(url, elt)) {
         this.fetch(url, elt);
       }
     },
     dedupe: function(url, elt) {
       if (this.pending[url]) {
         this.pending[url].push(elt);
         return true;
       }
       var resource;
       if (this.cache[url]) {
         this.onload(url, elt, this.cache[url]);
         this.tail();
         return true;
       }
       this.pending[url] = [ elt ];
       return false;
     },
     fetch: function(url, elt) {
       flags.load && console.log("fetch", url, elt);
       if (!url) {
         setTimeout(function() {
           this.receive(url, elt, {
             error: "href must be specified"
           }, null);
         }.bind(this), 0);
       } else if (url.match(/^data:/)) {
         var pieces = url.split(",");
         var header = pieces[0];
         var body = pieces[1];
         if (header.indexOf(";base64") > -1) {
           body = atob(body);
         } else {
           body = decodeURIComponent(body);
         }
         setTimeout(function() {
           this.receive(url, elt, null, body);
         }.bind(this), 0);
       } else {
         var receiveXhr = function(err, resource, redirectedUrl) {
           this.receive(url, elt, err, resource, redirectedUrl);
         }.bind(this);
         xhr.load(url, receiveXhr);
       }
     },
     receive: function(url, elt, err, resource, redirectedUrl) {
       this.cache[url] = resource;
       var $p = this.pending[url];
       for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
         this.onload(url, p, resource, err, redirectedUrl);
         this.tail();
       }
       this.pending[url] = null;
     },
     tail: function() {
       --this.inflight;
       this.checkDone();
     },
     checkDone: function() {
       if (!this.inflight) {
         this.oncomplete();
       }
     }
   };
   scope.Loader = Loader;
 });
 
 window.HTMLImports.addModule(function(scope) {
   var Observer = function(addCallback) {
     this.addCallback = addCallback;
     this.mo = new MutationObserver(this.handler.bind(this));
   };
   Observer.prototype = {
     handler: function(mutations) {
       for (var i = 0, l = mutations.length, m; i < l && (m = mutations[i]); i++) {
         if (m.type === "childList" && m.addedNodes.length) {
           this.addedNodes(m.addedNodes);
         }
       }
     },
     addedNodes: function(nodes) {
       if (this.addCallback) {
         this.addCallback(nodes);
       }
       for (var i = 0, l = nodes.length, n, loading; i < l && (n = nodes[i]); i++) {
         if (n.children && n.children.length) {
           this.addedNodes(n.children);
         }
       }
     },
     observe: function(root) {
       this.mo.observe(root, {
         childList: true,
         subtree: true
       });
     }
   };
   scope.Observer = Observer;
 });
 
 window.HTMLImports.addModule(function(scope) {
   var path = scope.path;
   var rootDocument = scope.rootDocument;
   var flags = scope.flags;
   var isIE = scope.isIE;
   var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
   var IMPORT_SELECTOR = "link[rel=" + IMPORT_LINK_TYPE + "]";
   var importParser = {
     documentSelectors: IMPORT_SELECTOR,
     importsSelectors: [ IMPORT_SELECTOR, "link[rel=stylesheet]:not([type])", "style:not([type])", "script:not([type])", 'script[type="application/javascript"]', 'script[type="text/javascript"]' ].join(","),
     map: {
       link: "parseLink",
       script: "parseScript",
       style: "parseStyle"
     },
     dynamicElements: [],
     parseNext: function() {
       var next = this.nextToParse();
       if (next) {
         this.parse(next);
       }
     },
     parse: function(elt) {
       if (this.isParsed(elt)) {
         flags.parse && console.log("[%s] is already parsed", elt.localName);
         return;
       }
       var fn = this[this.map[elt.localName]];
       if (fn) {
         this.markParsing(elt);
         fn.call(this, elt);
       }
     },
     parseDynamic: function(elt, quiet) {
       this.dynamicElements.push(elt);
       if (!quiet) {
         this.parseNext();
       }
     },
     markParsing: function(elt) {
       flags.parse && console.log("parsing", elt);
       this.parsingElement = elt;
     },
     markParsingComplete: function(elt) {
       elt.__importParsed = true;
       this.markDynamicParsingComplete(elt);
       if (elt.__importElement) {
         elt.__importElement.__importParsed = true;
         this.markDynamicParsingComplete(elt.__importElement);
       }
       this.parsingElement = null;
       flags.parse && console.log("completed", elt);
     },
     markDynamicParsingComplete: function(elt) {
       var i = this.dynamicElements.indexOf(elt);
       if (i >= 0) {
         this.dynamicElements.splice(i, 1);
       }
     },
     parseImport: function(elt) {
       elt.import = elt.__doc;
       if (window.HTMLImports.__importsParsingHook) {
         window.HTMLImports.__importsParsingHook(elt);
       }
       if (elt.import) {
         elt.import.__importParsed = true;
       }
       this.markParsingComplete(elt);
       if (elt.__resource && !elt.__error) {
         elt.dispatchEvent(new CustomEvent("load", {
           bubbles: false
         }));
       } else {
         elt.dispatchEvent(new CustomEvent("error", {
           bubbles: false
         }));
       }
       if (elt.__pending) {
         var fn;
         while (elt.__pending.length) {
           fn = elt.__pending.shift();
           if (fn) {
             fn({
               target: elt
             });
           }
         }
       }
       this.parseNext();
     },
     parseLink: function(linkElt) {
       if (nodeIsImport(linkElt)) {
         this.parseImport(linkElt);
       } else {
         linkElt.href = linkElt.href;
         this.parseGeneric(linkElt);
       }
     },
     parseStyle: function(elt) {
       var src = elt;
       elt = cloneStyle(elt);
       src.__appliedElement = elt;
       elt.__importElement = src;
       this.parseGeneric(elt);
     },
     parseGeneric: function(elt) {
       this.trackElement(elt);
       this.addElementToDocument(elt);
     },
     rootImportForElement: function(elt) {
       var n = elt;
       while (n.ownerDocument.__importLink) {
         n = n.ownerDocument.__importLink;
       }
       return n;
     },
     addElementToDocument: function(elt) {
       var port = this.rootImportForElement(elt.__importElement || elt);
       port.parentNode.insertBefore(elt, port);
     },
     trackElement: function(elt, callback) {
       var self = this;
       var done = function(e) {
         elt.removeEventListener("load", done);
         elt.removeEventListener("error", done);
         if (callback) {
           callback(e);
         }
         self.markParsingComplete(elt);
         self.parseNext();
       };
       elt.addEventListener("load", done);
       elt.addEventListener("error", done);
       if (isIE && elt.localName === "style") {
         var fakeLoad = false;
         if (elt.textContent.indexOf("@import") == -1) {
           fakeLoad = true;
         } else if (elt.sheet) {
           fakeLoad = true;
           var csr = elt.sheet.cssRules;
           var len = csr ? csr.length : 0;
           for (var i = 0, r; i < len && (r = csr[i]); i++) {
             if (r.type === CSSRule.IMPORT_RULE) {
               fakeLoad = fakeLoad && Boolean(r.styleSheet);
             }
           }
         }
         if (fakeLoad) {
           setTimeout(function() {
             elt.dispatchEvent(new CustomEvent("load", {
               bubbles: false
             }));
           });
         }
       }
     },
     parseScript: function(scriptElt) {
       var script = document.createElement("script");
       script.__importElement = scriptElt;
       script.src = scriptElt.src ? scriptElt.src : generateScriptDataUrl(scriptElt);
       scope.currentScript = scriptElt;
       this.trackElement(script, function(e) {
         if (script.parentNode) {
           script.parentNode.removeChild(script);
         }
         scope.currentScript = null;
       });
       this.addElementToDocument(script);
     },
     nextToParse: function() {
       this._mayParse = [];
       return !this.parsingElement && (this.nextToParseInDoc(rootDocument) || this.nextToParseDynamic());
     },
     nextToParseInDoc: function(doc, link) {
       if (doc && this._mayParse.indexOf(doc) < 0) {
         this._mayParse.push(doc);
         var nodes = doc.querySelectorAll(this.parseSelectorsForNode(doc));
         for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
           if (!this.isParsed(n)) {
             if (this.hasResource(n)) {
               return nodeIsImport(n) ? this.nextToParseInDoc(n.__doc, n) : n;
             } else {
               return;
             }
           }
         }
       }
       return link;
     },
     nextToParseDynamic: function() {
       return this.dynamicElements[0];
     },
     parseSelectorsForNode: function(node) {
       var doc = node.ownerDocument || node;
       return doc === rootDocument ? this.documentSelectors : this.importsSelectors;
     },
     isParsed: function(node) {
       return node.__importParsed;
     },
     needsDynamicParsing: function(elt) {
       return this.dynamicElements.indexOf(elt) >= 0;
     },
     hasResource: function(node) {
       if (nodeIsImport(node) && node.__doc === undefined) {
         return false;
       }
       return true;
     }
   };
   function nodeIsImport(elt) {
     return elt.localName === "link" && elt.rel === IMPORT_LINK_TYPE;
   }
   function generateScriptDataUrl(script) {
     var scriptContent = generateScriptContent(script);
     return "data:text/javascript;charset=utf-8," + encodeURIComponent(scriptContent);
   }
   function generateScriptContent(script) {
     return script.textContent + generateSourceMapHint(script);
   }
   function generateSourceMapHint(script) {
     var owner = script.ownerDocument;
     owner.__importedScripts = owner.__importedScripts || 0;
     var moniker = script.ownerDocument.baseURI;
     var num = owner.__importedScripts ? "-" + owner.__importedScripts : "";
     owner.__importedScripts++;
     return "\n//# sourceURL=" + moniker + num + ".js\n";
   }
   function cloneStyle(style) {
     var clone = style.ownerDocument.createElement("style");
     clone.textContent = style.textContent;
     path.resolveUrlsInStyle(clone);
     return clone;
   }
   scope.parser = importParser;
   scope.IMPORT_SELECTOR = IMPORT_SELECTOR;
 });
 
 window.HTMLImports.addModule(function(scope) {
   var flags = scope.flags;
   var IMPORT_LINK_TYPE = scope.IMPORT_LINK_TYPE;
   var IMPORT_SELECTOR = scope.IMPORT_SELECTOR;
   var rootDocument = scope.rootDocument;
   var Loader = scope.Loader;
   var Observer = scope.Observer;
   var parser = scope.parser;
   var importer = {
     documents: {},
     documentPreloadSelectors: IMPORT_SELECTOR,
     importsPreloadSelectors: [ IMPORT_SELECTOR ].join(","),
     loadNode: function(node) {
       importLoader.addNode(node);
     },
     loadSubtree: function(parent) {
       var nodes = this.marshalNodes(parent);
       importLoader.addNodes(nodes);
     },
     marshalNodes: function(parent) {
       return parent.querySelectorAll(this.loadSelectorsForNode(parent));
     },
     loadSelectorsForNode: function(node) {
       var doc = node.ownerDocument || node;
       return doc === rootDocument ? this.documentPreloadSelectors : this.importsPreloadSelectors;
     },
     loaded: function(url, elt, resource, err, redirectedUrl) {
       flags.load && console.log("loaded", url, elt);
       elt.__resource = resource;
       elt.__error = err;
       if (isImportLink(elt)) {
         var doc = this.documents[url];
         if (doc === undefined) {
           doc = err ? null : makeDocument(resource, redirectedUrl || url);
           if (doc) {
             doc.__importLink = elt;
             this.bootDocument(doc);
           }
           this.documents[url] = doc;
         }
         elt.__doc = doc;
       }
       parser.parseNext();
     },
     bootDocument: function(doc) {
       this.loadSubtree(doc);
       this.observer.observe(doc);
       parser.parseNext();
     },
     loadedAll: function() {
       parser.parseNext();
     }
   };
   var importLoader = new Loader(importer.loaded.bind(importer), importer.loadedAll.bind(importer));
   importer.observer = new Observer();
   function isImportLink(elt) {
     return isLinkRel(elt, IMPORT_LINK_TYPE);
   }
   function isLinkRel(elt, rel) {
     return elt.localName === "link" && elt.getAttribute("rel") === rel;
   }
   function hasBaseURIAccessor(doc) {
     return !!Object.getOwnPropertyDescriptor(doc, "baseURI");
   }
   function makeDocument(resource, url) {
     var doc = document.implementation.createHTMLDocument(IMPORT_LINK_TYPE);
     doc._URL = url;
     var base = doc.createElement("base");
     base.setAttribute("href", url);
     if (!doc.baseURI && !hasBaseURIAccessor(doc)) {
       Object.defineProperty(doc, "baseURI", {
         value: url
       });
     }
     var meta = doc.createElement("meta");
     meta.setAttribute("charset", "utf-8");
     doc.head.appendChild(meta);
     doc.head.appendChild(base);
     doc.body.innerHTML = resource;
     if (window.HTMLTemplateElement && HTMLTemplateElement.bootstrap) {
       HTMLTemplateElement.bootstrap(doc);
     }
     return doc;
   }
   if (!document.baseURI) {
     var baseURIDescriptor = {
       get: function() {
         var base = document.querySelector("base");
         return base ? base.href : window.location.href;
       },
       configurable: true
     };
     Object.defineProperty(document, "baseURI", baseURIDescriptor);
     Object.defineProperty(rootDocument, "baseURI", baseURIDescriptor);
   }
   scope.importer = importer;
   scope.importLoader = importLoader;
 });
 
 window.HTMLImports.addModule(function(scope) {
   var parser = scope.parser;
   var importer = scope.importer;
   var dynamic = {
     added: function(nodes) {
       var owner, parsed, loading;
       for (var i = 0, l = nodes.length, n; i < l && (n = nodes[i]); i++) {
         if (!owner) {
           owner = n.ownerDocument;
           parsed = parser.isParsed(owner);
         }
         loading = this.shouldLoadNode(n);
         if (loading) {
           importer.loadNode(n);
         }
         if (this.shouldParseNode(n) && parsed) {
           parser.parseDynamic(n, loading);
         }
       }
     },
     shouldLoadNode: function(node) {
       return node.nodeType === 1 && matches.call(node, importer.loadSelectorsForNode(node));
     },
     shouldParseNode: function(node) {
       return node.nodeType === 1 && matches.call(node, parser.parseSelectorsForNode(node));
     }
   };
   importer.observer.addCallback = dynamic.added.bind(dynamic);
   var matches = HTMLElement.prototype.matches || HTMLElement.prototype.matchesSelector || HTMLElement.prototype.webkitMatchesSelector || HTMLElement.prototype.mozMatchesSelector || HTMLElement.prototype.msMatchesSelector;
 });
 
 (function(scope) {
   var initializeModules = scope.initializeModules;
   var isIE = scope.isIE;
   if (scope.useNative) {
     return;
   }
   initializeModules();
   var rootDocument = scope.rootDocument;
   function bootstrap() {
     window.HTMLImports.importer.bootDocument(rootDocument);
   }
   if (document.readyState === "complete" || document.readyState === "interactive" && !window.attachEvent) {
     bootstrap();
   } else {
     document.addEventListener("DOMContentLoaded", bootstrap);
   }
 })(window.HTMLImports);
 
 window.CustomElements = window.CustomElements || {
   flags: {}
 };
 
 (function(scope) {
   var flags = scope.flags;
   var modules = [];
   var addModule = function(module) {
     modules.push(module);
   };
   var initializeModules = function() {
     modules.forEach(function(module) {
       module(scope);
     });
   };
   scope.addModule = addModule;
   scope.initializeModules = initializeModules;
   scope.hasNative = Boolean(document.registerElement);
   scope.isIE = /Trident/.test(navigator.userAgent);
   scope.useNative = !flags.register && scope.hasNative && !window.ShadowDOMPolyfill && (!window.HTMLImports || window.HTMLImports.useNative);
 })(window.CustomElements);
 
 window.CustomElements.addModule(function(scope) {
   var IMPORT_LINK_TYPE = window.HTMLImports ? window.HTMLImports.IMPORT_LINK_TYPE : "none";
   function forSubtree(node, cb) {
     findAllElements(node, function(e) {
       if (cb(e)) {
         return true;
       }
       forRoots(e, cb);
     });
     forRoots(node, cb);
   }
   function findAllElements(node, find, data) {
     var e = node.firstElementChild;
     if (!e) {
       e = node.firstChild;
       while (e && e.nodeType !== Node.ELEMENT_NODE) {
         e = e.nextSibling;
       }
     }
     while (e) {
       if (find(e, data) !== true) {
         findAllElements(e, find, data);
       }
       e = e.nextElementSibling;
     }
     return null;
   }
   function forRoots(node, cb) {
     var root = node.shadowRoot;
     while (root) {
       forSubtree(root, cb);
       root = root.olderShadowRoot;
     }
   }
   function forDocumentTree(doc, cb) {
     _forDocumentTree(doc, cb, []);
   }
   function _forDocumentTree(doc, cb, processingDocuments) {
     doc = window.wrap(doc);
     if (processingDocuments.indexOf(doc) >= 0) {
       return;
     }
     processingDocuments.push(doc);
     var imports = doc.querySelectorAll("link[rel=" + IMPORT_LINK_TYPE + "]");
     for (var i = 0, l = imports.length, n; i < l && (n = imports[i]); i++) {
       if (n.import) {
         _forDocumentTree(n.import, cb, processingDocuments);
       }
     }
     cb(doc);
   }
   scope.forDocumentTree = forDocumentTree;
   scope.forSubtree = forSubtree;
 });
 
 window.CustomElements.addModule(function(scope) {
   var flags = scope.flags;
   var forSubtree = scope.forSubtree;
   var forDocumentTree = scope.forDocumentTree;
   function addedNode(node, isAttached) {
     return added(node, isAttached) || addedSubtree(node, isAttached);
   }
   function added(node, isAttached) {
     if (scope.upgrade(node, isAttached)) {
       return true;
     }
     if (isAttached) {
       attached(node);
     }
   }
   function addedSubtree(node, isAttached) {
     forSubtree(node, function(e) {
       if (added(e, isAttached)) {
         return true;
       }
     });
   }
   var hasThrottledAttached = window.MutationObserver._isPolyfilled && flags["throttle-attached"];
   scope.hasPolyfillMutations = hasThrottledAttached;
   scope.hasThrottledAttached = hasThrottledAttached;
   var isPendingMutations = false;
   var pendingMutations = [];
   function deferMutation(fn) {
     pendingMutations.push(fn);
     if (!isPendingMutations) {
       isPendingMutations = true;
       setTimeout(takeMutations);
     }
   }
   function takeMutations() {
     isPendingMutations = false;
     var $p = pendingMutations;
     for (var i = 0, l = $p.length, p; i < l && (p = $p[i]); i++) {
       p();
     }
     pendingMutations = [];
   }
   function attached(element) {
     if (hasThrottledAttached) {
       deferMutation(function() {
         _attached(element);
       });
     } else {
       _attached(element);
     }
   }
   function _attached(element) {
     if (element.__upgraded__ && !element.__attached) {
       element.__attached = true;
       if (element.attachedCallback) {
         element.attachedCallback();
       }
     }
   }
   function detachedNode(node) {
     detached(node);
     forSubtree(node, function(e) {
       detached(e);
     });
   }
   function detached(element) {
     if (hasThrottledAttached) {
       deferMutation(function() {
         _detached(element);
       });
     } else {
       _detached(element);
     }
   }
   function _detached(element) {
     if (element.__upgraded__ && element.__attached) {
       element.__attached = false;
       if (element.detachedCallback) {
         element.detachedCallback();
       }
     }
   }
   function inDocument(element) {
     var p = element;
     var doc = window.wrap(document);
     while (p) {
       if (p == doc) {
         return true;
       }
       p = p.parentNode || p.nodeType === Node.DOCUMENT_FRAGMENT_NODE && p.host;
     }
   }
   function watchShadow(node) {
     if (node.shadowRoot && !node.shadowRoot.__watched) {
       flags.dom && console.log("watching shadow-root for: ", node.localName);
       var root = node.shadowRoot;
       while (root) {
         observe(root);
         root = root.olderShadowRoot;
       }
     }
   }
   function handler(root, mutations) {
     if (flags.dom) {
       var mx = mutations[0];
       if (mx && mx.type === "childList" && mx.addedNodes) {
         if (mx.addedNodes) {
           var d = mx.addedNodes[0];
           while (d && d !== document && !d.host) {
             d = d.parentNode;
           }
           var u = d && (d.URL || d._URL || d.host && d.host.localName) || "";
           u = u.split("/?").shift().split("/").pop();
         }
       }
       console.group("mutations (%d) [%s]", mutations.length, u || "");
     }
     var isAttached = inDocument(root);
     mutations.forEach(function(mx) {
       if (mx.type === "childList") {
         forEach(mx.addedNodes, function(n) {
           if (!n.localName) {
             return;
           }
           addedNode(n, isAttached);
         });
         forEach(mx.removedNodes, function(n) {
           if (!n.localName) {
             return;
           }
           detachedNode(n);
         });
       }
     });
     flags.dom && console.groupEnd();
   }
   function takeRecords(node) {
     node = window.wrap(node);
     if (!node) {
       node = window.wrap(document);
     }
     while (node.parentNode) {
       node = node.parentNode;
     }
     var observer = node.__observer;
     if (observer) {
       handler(node, observer.takeRecords());
       takeMutations();
     }
   }
   var forEach = Array.prototype.forEach.call.bind(Array.prototype.forEach);
   function observe(inRoot) {
     if (inRoot.__observer) {
       return;
     }
     var observer = new MutationObserver(handler.bind(this, inRoot));
     observer.observe(inRoot, {
       childList: true,
       subtree: true
     });
     inRoot.__observer = observer;
   }
   function upgradeDocument(doc) {
     doc = window.wrap(doc);
     flags.dom && console.group("upgradeDocument: ", doc.baseURI.split("/").pop());
     var isMainDocument = doc === window.wrap(document);
     addedNode(doc, isMainDocument);
     observe(doc);
     flags.dom && console.groupEnd();
   }
   function upgradeDocumentTree(doc) {
     forDocumentTree(doc, upgradeDocument);
   }
   var originalCreateShadowRoot = Element.prototype.createShadowRoot;
   if (originalCreateShadowRoot) {
     Element.prototype.createShadowRoot = function() {
       var root = originalCreateShadowRoot.call(this);
       window.CustomElements.watchShadow(this);
       return root;
     };
   }
   scope.watchShadow = watchShadow;
   scope.upgradeDocumentTree = upgradeDocumentTree;
   scope.upgradeDocument = upgradeDocument;
   scope.upgradeSubtree = addedSubtree;
   scope.upgradeAll = addedNode;
   scope.attached = attached;
   scope.takeRecords = takeRecords;
 });
 
 window.CustomElements.addModule(function(scope) {
   var flags = scope.flags;
   function upgrade(node, isAttached) {
     if (node.localName === "template") {
       if (window.HTMLTemplateElement && HTMLTemplateElement.decorate) {
         HTMLTemplateElement.decorate(node);
       }
     }
     if (!node.__upgraded__ && node.nodeType === Node.ELEMENT_NODE) {
       var is = node.getAttribute("is");
       var definition = scope.getRegisteredDefinition(node.localName) || scope.getRegisteredDefinition(is);
       if (definition) {
         if (is && definition.tag == node.localName || !is && !definition.extends) {
           return upgradeWithDefinition(node, definition, isAttached);
         }
       }
     }
   }
   function upgradeWithDefinition(element, definition, isAttached) {
     flags.upgrade && console.group("upgrade:", element.localName);
     if (definition.is) {
       element.setAttribute("is", definition.is);
     }
     implementPrototype(element, definition);
     element.__upgraded__ = true;
     created(element);
     if (isAttached) {
       scope.attached(element);
     }
     scope.upgradeSubtree(element, isAttached);
     flags.upgrade && console.groupEnd();
     return element;
   }
   function implementPrototype(element, definition) {
     if (Object.__proto__) {
       element.__proto__ = definition.prototype;
     } else {
       customMixin(element, definition.prototype, definition.native);
       element.__proto__ = definition.prototype;
     }
   }
   function customMixin(inTarget, inSrc, inNative) {
     var used = {};
     var p = inSrc;
     while (p !== inNative && p !== HTMLElement.prototype) {
       var keys = Object.getOwnPropertyNames(p);
       for (var i = 0, k; k = keys[i]; i++) {
         if (!used[k]) {
           Object.defineProperty(inTarget, k, Object.getOwnPropertyDescriptor(p, k));
           used[k] = 1;
         }
       }
       p = Object.getPrototypeOf(p);
     }
   }
   function created(element) {
     if (element.createdCallback) {
       element.createdCallback();
     }
   }
   scope.upgrade = upgrade;
   scope.upgradeWithDefinition = upgradeWithDefinition;
   scope.implementPrototype = implementPrototype;
 });
 
 window.CustomElements.addModule(function(scope) {
   var isIE = scope.isIE;
   var upgradeDocumentTree = scope.upgradeDocumentTree;
   var upgradeAll = scope.upgradeAll;
   var upgradeWithDefinition = scope.upgradeWithDefinition;
   var implementPrototype = scope.implementPrototype;
   var useNative = scope.useNative;
   function register(name, options) {
     var definition = options || {};
     if (!name) {
       throw new Error("document.registerElement: first argument `name` must not be empty");
     }
     if (name.indexOf("-") < 0) {
       throw new Error("document.registerElement: first argument ('name') must contain a dash ('-'). Argument provided was '" + String(name) + "'.");
     }
     if (isReservedTag(name)) {
       throw new Error("Failed to execute 'registerElement' on 'Document': Registration failed for type '" + String(name) + "'. The type name is invalid.");
     }
     if (getRegisteredDefinition(name)) {
       throw new Error("DuplicateDefinitionError: a type with name '" + String(name) + "' is already registered");
     }
     if (!definition.prototype) {
       definition.prototype = Object.create(HTMLElement.prototype);
     }
     definition.__name = name.toLowerCase();
     if (definition.extends) {
       definition.extends = definition.extends.toLowerCase();
     }
     definition.lifecycle = definition.lifecycle || {};
     definition.ancestry = ancestry(definition.extends);
     resolveTagName(definition);
     resolvePrototypeChain(definition);
     overrideAttributeApi(definition.prototype);
     registerDefinition(definition.__name, definition);
     definition.ctor = generateConstructor(definition);
     definition.ctor.prototype = definition.prototype;
     definition.prototype.constructor = definition.ctor;
     if (scope.ready) {
       upgradeDocumentTree(document);
     }
     return definition.ctor;
   }
   function overrideAttributeApi(prototype) {
     if (prototype.setAttribute._polyfilled) {
       return;
     }
     var setAttribute = prototype.setAttribute;
     prototype.setAttribute = function(name, value) {
       changeAttribute.call(this, name, value, setAttribute);
     };
     var removeAttribute = prototype.removeAttribute;
     prototype.removeAttribute = function(name) {
       changeAttribute.call(this, name, null, removeAttribute);
     };
     prototype.setAttribute._polyfilled = true;
   }
   function changeAttribute(name, value, operation) {
     name = name.toLowerCase();
     var oldValue = this.getAttribute(name);
     operation.apply(this, arguments);
     var newValue = this.getAttribute(name);
     if (this.attributeChangedCallback && newValue !== oldValue) {
       this.attributeChangedCallback(name, oldValue, newValue);
     }
   }
   function isReservedTag(name) {
     for (var i = 0; i < reservedTagList.length; i++) {
       if (name === reservedTagList[i]) {
         return true;
       }
     }
   }
   var reservedTagList = [ "annotation-xml", "color-profile", "font-face", "font-face-src", "font-face-uri", "font-face-format", "font-face-name", "missing-glyph" ];
   function ancestry(extnds) {
     var extendee = getRegisteredDefinition(extnds);
     if (extendee) {
       return ancestry(extendee.extends).concat([ extendee ]);
     }
     return [];
   }
   function resolveTagName(definition) {
     var baseTag = definition.extends;
     for (var i = 0, a; a = definition.ancestry[i]; i++) {
       baseTag = a.is && a.tag;
     }
     definition.tag = baseTag || definition.__name;
     if (baseTag) {
       definition.is = definition.__name;
     }
   }
   function resolvePrototypeChain(definition) {
     if (!Object.__proto__) {
       var nativePrototype = HTMLElement.prototype;
       if (definition.is) {
         var inst = document.createElement(definition.tag);
         nativePrototype = Object.getPrototypeOf(inst);
       }
       var proto = definition.prototype, ancestor;
       var foundPrototype = false;
       while (proto) {
         if (proto == nativePrototype) {
           foundPrototype = true;
         }
         ancestor = Object.getPrototypeOf(proto);
         if (ancestor) {
           proto.__proto__ = ancestor;
         }
         proto = ancestor;
       }
       if (!foundPrototype) {
         console.warn(definition.tag + " prototype not found in prototype chain for " + definition.is);
       }
       definition.native = nativePrototype;
     }
   }
   function instantiate(definition) {
     return upgradeWithDefinition(domCreateElement(definition.tag), definition);
   }
   var registry = {};
   function getRegisteredDefinition(name) {
     if (name) {
       return registry[name.toLowerCase()];
     }
   }
   function registerDefinition(name, definition) {
     registry[name] = definition;
   }
   function generateConstructor(definition) {
     return function() {
       return instantiate(definition);
     };
   }
   var HTML_NAMESPACE = "http://www.w3.org/1999/xhtml";
   function createElementNS(namespace, tag, typeExtension) {
     if (namespace === HTML_NAMESPACE) {
       return createElement(tag, typeExtension);
     } else {
       return domCreateElementNS(namespace, tag);
     }
   }
   function createElement(tag, typeExtension) {
     if (tag) {
       tag = tag.toLowerCase();
     }
     if (typeExtension) {
       typeExtension = typeExtension.toLowerCase();
     }
     var definition = getRegisteredDefinition(typeExtension || tag);
     if (definition) {
       if (tag == definition.tag && typeExtension == definition.is) {
         return new definition.ctor();
       }
       if (!typeExtension && !definition.is) {
         return new definition.ctor();
       }
     }
     var element;
     if (typeExtension) {
       element = createElement(tag);
       element.setAttribute("is", typeExtension);
       return element;
     }
     element = domCreateElement(tag);
     if (tag.indexOf("-") >= 0) {
       implementPrototype(element, HTMLElement);
     }
     return element;
   }
   var domCreateElement = document.createElement.bind(document);
   var domCreateElementNS = document.createElementNS.bind(document);
   var isInstance;
   if (!Object.__proto__ && !useNative) {
     isInstance = function(obj, ctor) {
       if (obj instanceof ctor) {
         return true;
       }
       var p = obj;
       while (p) {
         if (p === ctor.prototype) {
           return true;
         }
         p = p.__proto__;
       }
       return false;
     };
   } else {
     isInstance = function(obj, base) {
       return obj instanceof base;
     };
   }
   function wrapDomMethodToForceUpgrade(obj, methodName) {
     var orig = obj[methodName];
     obj[methodName] = function() {
       var n = orig.apply(this, arguments);
       upgradeAll(n);
       return n;
     };
   }
   wrapDomMethodToForceUpgrade(Node.prototype, "cloneNode");
   wrapDomMethodToForceUpgrade(document, "importNode");
   document.registerElement = register;
   document.createElement = createElement;
   document.createElementNS = createElementNS;
   scope.registry = registry;
   scope.instanceof = isInstance;
   scope.reservedTagList = reservedTagList;
   scope.getRegisteredDefinition = getRegisteredDefinition;
   document.register = document.registerElement;
 });
 
 (function(scope) {
   var useNative = scope.useNative;
   var initializeModules = scope.initializeModules;
   var isIE = scope.isIE;
   if (useNative) {
     var nop = function() {};
     scope.watchShadow = nop;
     scope.upgrade = nop;
     scope.upgradeAll = nop;
     scope.upgradeDocumentTree = nop;
     scope.upgradeSubtree = nop;
     scope.takeRecords = nop;
     scope.instanceof = function(obj, base) {
       return obj instanceof base;
     };
   } else {
     initializeModules();
   }
   var upgradeDocumentTree = scope.upgradeDocumentTree;
   var upgradeDocument = scope.upgradeDocument;
   if (!window.wrap) {
     if (window.ShadowDOMPolyfill) {
       window.wrap = window.ShadowDOMPolyfill.wrapIfNeeded;
       window.unwrap = window.ShadowDOMPolyfill.unwrapIfNeeded;
     } else {
       window.wrap = window.unwrap = function(node) {
         return node;
       };
     }
   }
   if (window.HTMLImports) {
     window.HTMLImports.__importsParsingHook = function(elt) {
       if (elt.import) {
         upgradeDocument(wrap(elt.import));
       }
     };
   }
   function bootstrap() {
     upgradeDocumentTree(window.wrap(document));
     window.CustomElements.ready = true;
     var requestAnimationFrame = window.requestAnimationFrame || function(f) {
       setTimeout(f, 16);
     };
     requestAnimationFrame(function() {
       setTimeout(function() {
         window.CustomElements.readyTime = Date.now();
         if (window.HTMLImports) {
           window.CustomElements.elapsed = window.CustomElements.readyTime - window.HTMLImports.readyTime;
         }
         document.dispatchEvent(new CustomEvent("WebComponentsReady", {
           bubbles: true
         }));
       });
     });
   }
   if (document.readyState === "complete" || scope.flags.eager) {
     bootstrap();
   } else if (document.readyState === "interactive" && !window.attachEvent && (!window.HTMLImports || window.HTMLImports.ready)) {
     bootstrap();
   } else {
     var loadEvent = window.HTMLImports && !window.HTMLImports.ready ? "HTMLImportsLoaded" : "DOMContentLoaded";
     window.addEventListener(loadEvent, bootstrap);
   }
 })(window.CustomElements);
 
 (function(scope) {
   var style = document.createElement("style");
   style.textContent = "" + "body {" + "transition: opacity ease-in 0.2s;" + " } \n" + "body[unresolved] {" + "opacity: 0; display: block; overflow: hidden; position: relative;" + " } \n";
   var head = document.querySelector("head");
   head.insertBefore(style, head.firstChild);
 })(window.WebComponents);
  No newline at end of file