Bug 1039984 - [System] Trying to open a smartcollection after killing the Homescreen do nothing.

Allow Homescreen application window to be killed as other windows. But
avoiding to be marked as _killed as, from a system app perspective, the
homescreen is never killed.
Bug 1040700 - Modify APN for ATT because last update doesn't work as expected.r=jaoo
Bug 1038414 - [B2G][Contacts][Camera][273MB Flame] Camera app OOMs when adding picture to contact
Bug 1040982 - [Camera][Hamachi] Doesn't show loading spinner on start-up
Bug 1040676 - [System] Wrong 2.25x resource for Quick setting bluethooth on indicator
Bug 1015390 - [SMS] Implement new startup loading events
Bug 1017756 - Update Loop buttons & state (color, name, visibility...) in contact details when a branding/UX decision is taken
Bug 973466 - [settings] refactor wifi panel with AMD pattern
Bug 1021276 - [Contacts] Update contacts app icons r=arcturus
Bug 1021276 - [Messages] Update message app icons r=julienw
Merge pull request #21955 from arcturus/bug-1038414

Bug 1038414 - [B2G][Contacts][Camera][273MB Flame] Camera app OOMs when adding picture to contact r=jmcf
Bug 942718 - FTU About Firefox page should not be moved
Merge pull request #21934 from acperez/bug-1040700

Bug 1040700 - Modify APN for ATT because last update doesn't work as expected. r=jaoo
Merge pull request #21970 from gasolin/issue-1040676

Bug 1040676 - [System] Wrong 2.25x resource for Quick setting bluethooth...r=pavel
Merge pull request #21862 from lodr/bug-1039984-smartcollections-and-homescreen

Bug 1039984 - [System] Trying to open a smartcollection after killing th...
Merge pull request #21956 from wilsonpage/1040982

Bug 1040982 - [Camera][Hamachi] Doesn't show loading spinner on start-up
Merge pull request #18471 from EragonJ/bug-973466

Bug 973466 - [settings] refactor wifi panel with AMD pattern
Revert "Bug 1039739 - Make it more clear what command we're executing;r=yuren"

This reverts commit 74caef0139574c7fcf2c77255df9088f44a4dafe.
Revert "Bug 1039739 - Add some logging when writing the git commit id into the settings app;r=yurenju"

This reverts commit 8d0f21f728c837276b2ad3484213f623622c81bf.
Revert "Bug 1036821 - git commit hash isn't wrote to settings/resources/gaia_commit.txt on Windows"

This reverts commit 6b6c77c2a1b93deab5466744bb857b37ec755567.