fix unit test after converting MozId to webidl
Fix unit test after converting MozId to webidl r=6a68
Bug 1069808 - Make the LazyLoader.getJSON() helper invoke reject() in case of errors instead of resolving the promise to null
Bug 1050558 - Bosnian Word suggestion.
Bug 1070487 - [keyboard] unit test refactoring for new version chai.assert api
Bug 1062326 - [FTE] Status bar should be dark on dark FTE screens
Bug 1038984 - [L10n][Gallery] Clean up mozL10n.get uses in Gallery app r=gandalf, pdahiya, dflanagan
Bug 1062829 - Converted Json methods from XHR to LazyLoader in the FTU APP
Bug 1069885 - [System][Video][Ringtone]Video app shows Share with ringtone application
Bug 1050548 - Add high contrast recording icons
Bug 1071634 - ICE Contacts Group Shortcut seems to be visually incorrect
Bug 1065720 - Upgrade the zindex of attention window before opened.
 Bug 1065961 - Sometimes the last alternative key would be wrongly
 highlighted.
  - use math to calculate the transfered menu target.
  - move the main calculation into MenuView's getMenuTarget.
Bug 1071312 - [FTU][FxA] Button still reads as 'Skip' after the user logs into a Firefox Account in the FTE.
Bug 1072029 - Notifications layout should not be empty or misaligned in Arabic.
Bug 1071707 - Remove browser dependency from marionette tests r=Cwiiis
Bug 1067234 - [ICE Contacts] Create an integration test for bug 1062595 (confirm window when deleting phone numbers)
Bug 1067435 - Homescreen grouping. r=crdlc,kgrandon

Everything is in a group, dividers act as group separators.

Features:
- Rearranging groups
- Expanding/collapsing groups
- Creating new groups between groups
- Saving/restoring collapsed state
Bug 1067435 - Add unit tests for GaiaGrid group feature. r=kgrandon,crdlc
Bug 1067435 - Add a setting for homescreen app-grouping. r=kgrandon,crdlc
Bug 1072392 - Optimising AppWindow#render with a contextual fragment.