Unwind require.js loading so model.js isn't in circular dependency hell.

BTW - THE BEST WAY to deal with circular dependencies is letting things remain undefined.  Rawk.


This fixes the issue where Ctl+S (or any keybinding) was "broken".  The first keybinding would win before, because the app was not properly initialized, yet blundered through and still looked amazing.

Review by @havocp.