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 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 1072029 - Notifications layout should not be empty or misaligned in Arabic.
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 1062783 - Replace the loadFile() function used to load JSON files with the new shared function in the homescreen app R=kgrandon
Bug 1062783 - Update unit test for new json loader r=gauravmittal
Merge pull request #24057 from Cwiiis/proto-grouping-2

Bug 1067435 - Homescreen grouping. r=crdlc,kgrandon
Bug 1071388 - Hide the SHB during the boot logo sequence r=etienne
Bug 1072231 - Adjusting height of generic dialogs to compensate for SHB r=etienne
Merge pull request #24243 from ddrmanxbxfr/bug_1069808

Bug 1069808 - Make the LazyLoader.getJSON() helper invoke reject() in ca...
Merge pull request #24347 from eliperelman/bug-1071388

Bug 1071388 - Hide the SHB during the boot logo sequence
Merge pull request #24385 from anefzaoui/bug-1072029

Bug 1072029 - Notifications layout should not be empty or misaligned in Arabic.
Merge pull request #24387 from eliperelman/bug-1072231

Bug 1072231 - Adjusting height of generic dialogs to compensate for SHB
Merge pull request #24397 from KevinGrandon/gauravmittal1995-1062783

Bug 1062783 - Replace the loadFile() function used to load JSON files with the new shared function in the homescreen app
Merge pull request #24260 from ddrmanxbxfr/bug_1062829

Bug 1062829 - Converted Json methods from XHR to LazyLoader in the FTU. r=sfoster
Merge pull request #23977 from SamPenrose/1011084v2

fix unit test after converting MozId to webidl