Bug 1031430 - (2.0-visual-refresh)[Notifications and Alarms] - Add New Signature Firefox OS tone
Bug 982663: Part 1 - Collect and report app usage data. r=etienne

* record app installation and uninstallation
* send a unique device id with each report
* report deviceinfo, language and screen data, and make telemetry parameters
  configurable through settings
* Refactor to match system app module structure
* Unit tests and bug fixes
* Change strings in Settings and FTU apps to mention app usage data collection
* Address review comments
* Fix failing bootstrap tests
Bug 982663: Part 2 - Integration tests and follow up for App Usage metrics. r=etienne

* Use ftu.pingURL as the default base URL for app usage metrics
* Added tests for app usage default values
* Use manifestURL instead of origin to track unique apps
Bug 1035241 - Update mail-fakeservers to 0.0.19 to enable gaia XULRunner upgrade to version 33.
Bug 987487 - [Gaia] [Build] Refactoring webapp-optimize.js and unit tests
Bug 1027534 - [System][Test] Integration test for inline->window activity call chain
Merge pull request #20722 from cctuan/987487-3

Bug 987487 - [Gaia] [Build] Refactoring webapp-optimize.js and unit tests
Merge pull request #21194 from jimporter/ringtones-new-default

Bug 1031430 - (2.0-visual-refresh)[Notifications and Alarms] - Add New S...
Merge pull request #21215 from marshall/bug982663_metricsAppUsage

Bug 982663: Collect and report app usage data
Merge pull request #21458 from asutherland/bug1035241

Bug 1035241 - Update mail-fakeservers to 0.0.19 to enable gaia XULRunner upgrade to version 33. r=kgrandon r=squib
Merge pull request #21343 from cctuan/1027534

Bug 1027534 - [System][Test] Integration test for inline->window activity call chain