Bug 975173 - (Part 1) Make sure HomeBanner only touches views on the main thread. r=bnicholson
Bug 975173 - (Part 2) Always call BitmapLoader.onBitmapFound on the UI thread. r=bnicholson
Bug 975173 - (Part 3) Declare local variables as final in getDrawable. r=jdover
Bug 975217 - Don't try to remove a banner message that doesn't exist. r=mcomella
Bug 975423 - Don't show sync promo banner ever again after user hits close button. r=bnicholson
Bug 974496 - Enable sync promo banner. r=bnicholson