Initial revision
Added attribution file for sound resources
Added powerups, ball velocity increase with brick hit.
Moved player collision detection with stage boundaries to Main_BBB.as
Added Main_BBB.as listener to allow other objects to request sounds to be played.
Added volume controls, changed powerup strings to enum
Added laser powerup.
Made GoldBrick, SilverBrick subclasses of Brick
Changed powerUp animation to use motion tween
Moved all keyboard listeners to Main_BBB doc class
Cleaned up collision code
Cleaned up code to fix ball on top of paddle
Added message screen
Fixed powerup masking
Completed instructions screen
Moved onEnterFrames from all classes into Main_BBB
Commented debugging code to prevent ball loss, add initial powerup
Added LevelMap to start migration from hardcoded levels to tile-based.
Merge branch 'master' of https://github.com/amackinn/BlockBust