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 996510 - Add system message test case for Bug 906164
Bug 1022450 - Don't show the "WAP Push Message" string in the header when opening a message
Bug 1023053 - [Calendar] Clean up useless images
Bug 1022733 - Entry points lost their splash screen/overlay icons

The origin for applications that have different entry points (e.g.,
Dialer and Contacts are the same application, Communications) also
contains a pathname, so we need to remove that from the origin before
appending the splash icon path.
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 876815 -[usage] don't mention phone calls in settings sub-header
Bug 1023989 - fixed roles and labels for e.me's collection/search results view.
Bug 1023996 - adding missing aria attributes to e.me controls.
Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button
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 837677 - [e-mail] Implement new startup loading events
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
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 1023117 - [Flame][Camera]Missing images for Camera
Bug 1021380 - [flame][contacts] icons when contact list is empty seem fuzzy
Bug 1024978 - [Messages] Activity Handler tests are failing with newer mocha r=azasypkin