Bug 996510 - Add system message test case for Bug 906164
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 1023053 - [Calendar] Clean up useless images
Bug 1020005: Send 'shrinking-stop' instead of 'shrinking-reject' event whenever 'techLost' event happens.
Also modified respective test case in nfc_manager_test.js. r=gweng
Bug 1022746 - Remove requestAnimationFrame from FontSizeUtils to fix frames falling back to sync panning and zooming. r=vingtetun
Bug 876815 -[usage] don't mention phone calls in settings sub-header
Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button
Bug 837677 - [e-mail] Implement new startup loading events
Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button
Bug 1020845 - [Ringtones] Ringtones list needs a press state
Bug 1024978 - [Messages] Activity Handler tests are failing with newer mocha r=azasypkin
Bug 1019039 - [homescreen-stingray] Intermittent Travis Unit Test failure: Applications predefined apps check state: Error: expected false to be true r=lchang
Bug 970119 - Do not autopunctuate after a newline
Bug 1017592 - [gaia-tabs] add styles to underline only selected text in a tab
Bug 1019362 - adding a number of gaia ui tests for the first time use app accessibility.
Bug 1017832 - Properly use 'content' channel for playing sound on Find My Device.
Bug 1017748 - Use FxA's OAuth URL in Find My Device.
Bug 1023730 - (Part I) Move LayoutLoader to another script
Bug 1023730 - (Part II) currentModifiedLayout in LayoutManager
Bug 1023730 - (Part III) Remove inputContext from global