Bug 882567 - Handle fatal gstreamer errors by aborting playback r=alessandro.d
Bug 794282 - Enable gstreamer by default in builds, but pref off r=cpearce,khuey
Bug 885157 - Kill content/media/test/test_too_many_elements.html r=cpearce
Bug 794282 - Display helpful error message when we can't find gstreamer libs r=khuey
Bug 794282 - Add gstreamer packages to bootstrap scripts r=gps