Plays PCM data via Audio Data API or Web Audio API
Estimates mp3 file duration
Reads sound stream
Playback of the movie clip stream
Move decoder into worker
Adds ADPCM decoding
Start sound for sprites
Fixes excessive recursion in promise callback
Fixes frame loading order and promises
Adds pausedAtStart mode
Added support for Stage.frameRate and example to measure average time between frames.
Added timeline example.
Add timeline test case.
Remove setTimeout usage in parser.js
Merge remote-tracking branch 'mozilla/master' into audio

Conflicts:
	src/flash/display/Loader.js
	src/flash/display/MovieClip.js
Adds decoder files to the web and extension; cleanup
Add graphics benchmark example.
Add timeline test case.
Add Timeline test case.
Loader: Deduplicate and clean up timeline building