Bug 1020109 - Cell broadcast search list is not set correctly

The current code attempts to protect against empty objects incorrectly
since empty arrays are truthy in JavaScript. The result is empty objects
get passed to SettingsLock.set() which seems to break all subsequent
settings change observers.
Bug 1023989 - fixed roles and labels for e.me's collection/search results view.
Bug 1023996 - adding missing aria attributes to e.me controls.
Bug 984340 - Enable sdcard tests on desktop B2G. r=bsilverberg
Bug 1018214 - adding a number of gaia ui tests for status bar and utility tray accessibility. r=Bebe
Bug 1021710 - updating accessibility.js to use standard marionette timeout instead of it's arbitrary one when retrieving an accessible object.
Bug 837674: add app startup time instrumentation

add gallery to the list of apps in the startup events performance test
Bug 1022908 - [B2G][Flame][Browser] Camera and microphone permissions are truncated
Bug 1023117 - [Flame][Camera]Missing images for Camera
Bug 1021380 - [flame][contacts] icons when contact list is empty seem fuzzy
Bug 1005866 - Confirmation button on delete is wrong
Bug 1014400 - [Test Agent] Specify mocha options without patching test-agent itself
Merge remote-tracking branch 'davehunt/bug_984340'

Conflicts:
	tests/python/gaia-ui-tests/gaiatest/tests/tbpl-manifest.ini
Bug 1022976 - [Collection] Intermittent adding records does not work r=amirn
Bug 1019289 - Update FTU tutorial videos. r=me
Merge pull request #20158 from yzen/bug-1018214

Bug 1018214, Bug 1021710 - utility tray gaia-ui tests with some tweaks to hopefully avoid intermittents.
Merge pull request #20390 from davidflanagan/bug837674

Bug 837674: add app startup time instrumentation r=Eli
Merge pull request #20451 from KevinGrandon/bug_1022976_collection_multi_create

Bug 1022976 - [Collection] Intermittent adding records does not work
Bug 1024745 - [Vertical Homescreen] Marketplace app shows the default icon if the download has been paused r=lightsofapollo
Merge pull request #20462 from KevinGrandon/bug_1024745_vertical_resume_download_icon

Bug 1024745 - [Vertical Homescreen] Marketplace app shows the default icon if the download has been paused