Bug 991949 - Cell broadcast ETWS messages show undefined

ETWS messages without a message body use a canned body depending on the
warning type.

Change-Id: I25491fd85894d334bd6a9ab63105379de495ef2a
Bug 1022746 - Remove requestAnimationFrame from FontSizeUtils to fix frames falling back to sync panning and zooming. r=vingtetun
Bug 970119 - Do not autopunctuate after a newline
Bug 1019362 - adding a number of gaia ui tests for the first time use app accessibility.
Bug 1023812 - Find bottom most window to do open/close operation when activity done
Bug 1015846 - [Vixen][Tablet] Camera preview rotate 90 degrees in camera app
Bug 1016407 - [Calendar] Fix unit tests with a newer mocha r=lightsofapollo
Bug 1023777 - [B2G][Calendar] Account warning icon is bigger than it should
Bug 1024940 - [Settings] Permissions that are explicit for privileged or web apps are not shown on Settings -> Apps permissions
Bug 996417 - [Settings] Make sure we would render current level of battery on root panel
Bug 1023888 - When exporting contacts via bluetooth and cancelling, an error screen appears
bug 1021857 - Ensure z-index for AttentionScreen makes it top-most.
Bug 1021658 - Pref off in app sheet and disable popup on transitioning
Bug 1007948 - [SIM PIN] Error message disappears when receiving iccinfochange
Bug 1016429 - [Settings] Fix unit tests with a newer mocha r=cctuan
Bug 1024395 - Lockscreen color overlay not working due to bug 973443
Bug 1023860 - Canceling the UI flow should clean up pending content requests. r=alive
Bug 941544 - running_apps should always switch to System frame before executing system javascript
Bug 1000037 - Refactor and re-enable test_import_contacts_gmail.py
Bug 1013201 - Add in-tree config file for gaia build options used in TBPL, r=zac