Update Javascript dependencies: Ember, Handlebars, JQuery.
JSHint fixes: Globals, undeclared vars.
Ember-1.0.0.rc.1  : Clean up authoring app deprecations.
eradicate console.logs
app.js : Authoring Slowness:  Throttle mysystem.updateRuntime() to 1/s.

#42256573

https://www.pivotaltracker.com/story/show/42256573

Editing text in the Rubric Evaluator can cause the MS2 Authoring system
to get unusually slow.  Reloading the page seems to fix this,
but we need a better solution.
app.js : Authoring Slowness:  Stop observing key-up events in TextFields

#42256573

https://www.pivotaltracker.com/story/show/42256573

Editing text in the Rubric Evaluator can cause the MS2 Authoring system
to get unusually slow.  Reloading the page seems to fix this,
but we need a better solution.
sc_utils.js : cleanup whitespace, remove old comments.
sc_util.js: Authoring Slowness & Memory leaks: Destroy unused model refs.

#42256573

https://www.pivotaltracker.com/story/show/42256573

Editing text in the Rubric Evaluator can cause the MS2 Authoring system
to get unusually slow.  Reloading the page seems to fix this,
but we need a better solution.
Authoring: small template bugs from ember upgrade.
Authoring: code mirror : rename ace.html → code mirror.html. style nicer.
Authoring: JSHINT linting fixes.
Runtime BugFix :  Only find nodes (was nodes and links!)
Use minimized version of library.
Authoring:  Preview: Fix MySystem.store is undefined.
Authoring : app.js Remove console.log
Nodes can be ordered.