Bug 1069885 - [System][Video][Ringtone]Video app shows Share with ringtone application
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
Merge pull request #24394 from nullaus/master

Revert "Merge pull request #24308 from nullaus/bug1062136"
bug 1062136 - getScreenshot should check for frontWindow. r=alive
Merge pull request #24395 from nullaus/bug1062136

bug 1062136 - getScreenshot should check for frontWindow. r=alive
Merge pull request #24291 from russnicoletti/bug-1069885

Bug 1069885 - [System][Video][Ringtone]Video app shows Share with ringtone application r=johu
Merge pull request #24057 from Cwiiis/proto-grouping-2

Bug 1067435 - Homescreen grouping. r=crdlc,kgrandon