Bug 983111 - [v1.3] test_play_3gp_video.TestPlay3GPVideo intermittently fail
Merge pull request #17199 from AndreiH/fix_other_video_tests

Bug 983111 - [v1.3] test_play_3gp_video.TestPlay3GPVideo intermittently ...
Bug 981521 - Display notifications for messages with a "signal-none" action r=julienw
Merge branch 'v1.3' into v1.3t