Bug 970298 - Allows to run the simulator on a custom gaia and/or gecko. r=jryans
Bug 995206 - Sync app.update.{channel,url} settings with preferences. r=vingtetun
Bug 995353 - fix Firefox Accounts error propagation from toolkit/ through dom/ to web content. r=jedp
Bug 999914 - Enable RTSP video by default since v2.0. r=sworkman