ace: fix broken karma tests (error loading ace.js )

public/test/test-main.js

@@ -41,6 +41,7 @@
       "jquery.flot.gauge": "vendor/flot/jquery.flot.gauge",
       "d3": "vendor/d3/d3.js",
       "jquery.flot.dashes": "vendor/flot/jquery.flot.dashes",
+      "ace": "vendor/npm/ace-builds/src-noconflict/ace",
     },
 
     packages: {
@@ -73,6 +74,10 @@
         format: 'global',
         exports: 'Mousetrap'
       },
+      'vendor/npm/ace-builds/src-noconflict/ace.js': {
+        format: 'global',
+        exports: 'ace'
+      },
     }
   });