[bug 882923] Update opt-out for GA
Merge pull request #1224 from alexgibson/bug-882923-update-opt-out-for-ga

[bug 882923] Update opt-out for GA
Bug 916151 - home page redesign
Bug 916151: Enable home page template switch with query.
Stub out news scroller
Panels - FxoS and MDN
Mozfest panel
Bug 909963 - l10n fixes
Responsification, WIP
Responsification progress
Bug 904696: Update home view to support l10n.
Responsification progress