Bug 863417 - Create a pref for setting the persona uri to facilitate testing. r=benadida, r=lloyd, a=tef+
Bug 859711 - Add mapping of between m4a extension name and audio/mp4 in extraMimeEntries. r=padenot, a=tef+
Bug 863441 - Increment GetAmpleVideoFrames() to 3. r=doublec, a=tef+
Bug 864494 - Hardcode the value of jsloader.reuseGlobal on b2g to work around some IPC preferences problem that we don't entirely understand. r+a=jlebar