PARB feedback: Rename TraitsChangeEvent to MediaElementEvent.
PARB feedback: Merge IBufferable events into single event class.
Separate out SWF URL in integration tests.
PARB feedback: Move byte events into LoadEvent.
PARB feedback: Convert ISpatial's width/height to Numbers.
PARB feedback: Update MediaPlayerStateChangeEvent.
More integration with PARB API changes.
Update a LoadEvent reference.
Update more LoadState references.
