make output code not drop non-mimetype-keyed json

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

@@ -254,6 +254,9 b' var IPython = (function (IPython) {'
         this.append_output(json, true);
     };
 
+    var mime_types = ['application/javascript', 'application/json',
+               'image/jpeg', 'image/png', 'image/svg+xml', 'text/html',
+               'text/latex', 'text/plain'];
 
     OutputArea.prototype.convert_mime_types = function (json, data) {
         if (data === undefined) {
@@ -283,6 +286,13 b' var IPython = (function (IPython) {'
         if (data['application/javascript'] !== undefined) {
             json.javascript = data['application/javascript'];
         }
+        // non-mimetype-keyed metadata used to get dropped here, this code
+        // re-injects it into the json.
+        for (x in data){
+            if( !(x in mime_types) ) {
+                json[x] = data[x];
+            }
+        }
         return json;
     };
 

IPython/html/tests/casperjs/test_cases/isolated_svg.js

@@ -21,6 +21,32 b' casper.notebook_test(function () {'
                      + "display_svg(SVG(s2), metadata=dict(isolated=True))\n"
             );
         cell.execute();
+        console.log("hello" );
+    });
+
+    this.then(function() {
+        var fname=this.test.currentTestFile.split('/').pop().toLowerCase();
+        this.echo(fname)
+        this.echo(this.currentUrl)
+        this.evaluate(function (n) {
+            IPython.notebook.rename(n);
+            console.write("hello" + n);
+            IPython.notebook.save_notebook();
+        }, {n : fname});
+        this.echo(this.currentUrl)
+    });
+
+    this.then(function() {
+    
+        url = this.evaluate(function() {
+            IPython.notebook.rename("foo");
+            //$("span#notebook_name")[0].click();
+            //$("input")[0].value = "please-work";
+            //$(".btn-primary")[0].click();
+            return document.location.href;
+        })
+        this.echo("renamed" + url);
+        this.echo(this.currentUrl);
     });
 
     this.wait_for_output(0);