Various minor fixes from review

IPython/html/base/handlers.py

@@ -141,8 +141,7 b' class IPythonHandler(AuthenticatedHandler):'
     def contents_js_source(self):
         self.log.debug("Using contents: %s", self.settings.get('contents_js_source',
             'services/contents'))
-        return self.settings.get('contents_js_source',
-            'services/contents')
+        return self.settings.get('contents_js_source', 'services/contents')
     
     #---------------------------------------------------------------
     # Manager objects

IPython/html/static/notebook/js/notebook.js

@@ -1908,7 +1908,7 b' define(['
         var content = $.extend(this.toJSON(), {
             nbformat : this.nbformat,
             nbformat_minor : this.nbformat_minor
-        })
+        });
         // Create a JSON model to be sent to the server.
         var model = {
             name : this.notebook_name,

IPython/html/static/tree/js/main.js

@@ -59,7 +59,7 b' require(['
 
     login_widget = new loginwidget.LoginWidget('#login_widget', common_options);
 
-    $('#new_notebook').button().click(function (e) {
+    $('#new_notebook').click(function (e) {
         contents.new_notebook(common_options.notebook_path,
             {
                 success: function (data, status, xhr) {

IPython/html/static/tree/js/notebooklist.js

@@ -321,9 +321,9 b' define(['
                 // We use the filename from the parent list_item element's
                 // data because the outer scope's values change as we iterate through the loop.
                 var parent_item = that.parents('div.list_item');
-                var nbname = parent_item.data('nbname');
+                var name = parent_item.data('nbname');
                 var path = parent_item.data('path');
-                var message = 'Are you sure you want to permanently delete the notebook: ' + nbname + '?';
+                var message = 'Are you sure you want to permanently delete the file: ' + nbname + '?';
                 dialog.modal({
                     title : "Delete file",
                     body : message,
@@ -331,9 +331,9 b' define(['
                         Delete : {
                             class: "btn-danger",
                             click: function() {
-                                notebooklist.contents.delete_file(nbname, path, {
+                                notebooklist.contents.delete_file(name, path, {
                                     success: function() {
-                                        notebooklist.notebook_deleted(path, nbname);
+                                        notebooklist.notebook_deleted(path, name);
                                     }
                                 });
                             }