Bug 1017103 - Display no data radio technology when in airplane mode
Bug 951025 - [Video]Fast forward/Rewind option in Video app
Bug 1017314: Load tutorial config in a loadConfig method. r=borjasalguero

* Start tutorial preload in ftu UIManager.init
* Create per-layout tutorial config file, use l10nKey as title property name in config
* Refactor Tutorial to loadConfig/ensureConfig and update tests accordingly
* Remove unused data-maxstep attributes.
Bug 838657 - Implement a console reporter. r=julienw,eli

Rebased from https://github.com/mozilla-b2g/gaia/pull/11870 by @caiolima
Merge pull request #19738 from hfiguiere/bug838657-2

Bug 838657 - Implement a console reporter. r=julienw,eli
Merge pull request #18231 from vsireesha246/Bug_951025_Video_FF/Rwd

[Video]Bug 951025 - [Video]Fast forward/Rewind option in Video app r=john hu,russn
Bug 1009111 - Move dev_apps/collection -> apps/collection
Merge pull request #19810 from lissyx/bug1017103

Bug 1017103 - Display no data radio technology when in airplane mode r=timdream
Merge pull request #19881 from KevinGrandon/bug_1009111_collections_into_apps

Bug 1009111 - Move dev_apps/collection -> apps/collection
Merge pull request #19807 from sfoster/configurable-tutorial

Bug 1017314: Load tutorial config in a preload method. r=borjasalguero