Bug 957100 - [Settings] add marionette for b2g-improve and feedback page
Bug 947504 - Only enable HwcComposer2D by default if hardware support it
Bug 957122 - Enable more TBPL tests - System app

Enable test_context_menu_activity_picker on TBPL
Bug 956428 - Add checks on set/getPreferredNetworkType
Bug 952482 - [FTE] "SIM 1" is written to enter the PIN for the SIM, even when the phone is single sim
Bug 869289 - Video app fails to list videos where it can't generate a thumbnail
Bug 958423 - ndef in 'nfc-manager-tech-discovered' is two levels of array.
Bug 955887 -  [Buri] "Add Collection" wallpaper label missing

the root cause is we didn't use foo.en-US.properties for en-US instead
of en-US/apps/foo/foo.properties if GAIA_CONCAT_LOCALES=1, so we need to
use the original file in gaia directory not in locale basedir.
Bug 951888 - Add a check on the existence of mozMobileConnections
Merge pull request #15392 from crh0716/951888

Bug 951888 - Add a check on the existence of mozMobileConnections r=alive
Merge pull request #15393 from yurenju/bug955887

Bug 955887 -  [Buri] "Add Collection" wallpaper label missing r=@timdream
Bug 855165 - Migrate Messages to new Notification API and close notifications upon reading of threads
Bug 959283 - [B2G][Bluetooth File Transfer] On bluetooth transfer of multiple images opening concurrent recieved pictures through notification bar results in a blank gallery screen
Bug 960406 - Immediate App Transition
Merge pull request #15397 from huchengtw-moz/system/Bug_959283_activity_window_factory

Bug 959283 - [B2G][Bluetooth File Transfer] On bluetooth transfer of mul..., r=alive
Bug 957529 - Add more unit tests for fb_data modules (error conditions, particularly datastore)
Merge pull request #15399 from alivedise/bugzilla/960406/pref-off-app-transition

Bug 960406 - Immediate App Transition, r=timdream
Merge pull request #15307 from lissyx/bug855165

Bug 855165 - Migrate to new Notification API and close notifications r=rwaldron
Merge pull request #15351 from crh0716/956428

Bug 956428 - Add checks on set/getPreferredNetworkType r=jaoo
Merge pull request #14837 from cctuan/869289

Bug 869289 - Video app fails to list videos where it can't generate a th...