Bug 949051 - Add Firefox Accounts to Settings app
Bug 964390 - Hide fxa settings UI behind a pref
Bug 974185 - Allow firefox accounts verification to be canceled
Bug 974108 - Race condition in FxAccountsIACHelper
set pref to enable identity UI
Bug 897600 Add firefox accounts screen to FTE flow r=arcturus,ferjm

Conflicts:
	apps/system/fxa/elements/fxa-enter-password.html
	apps/system/fxa/js/fxam_manager.js
	build/config/common-settings.json