Factor out webgl brush, moved shaders to the gl folder.
remove elements.js include
fixes eqArray
allow scratch canvas > 512px
ColorMatrixFilter unit tests
fix/test immutable matrix elements
test ColorMatrixFilter#clone()
Stage & Loader related updates
Prepping for GL blend modes.
Add missing include.
Merge branch 'nat' of https://github.com/mozilla/shumway into nat
Get timeline to work
Merge branch 'nat' of github.com:mozilla/shumway into nat
unit tests BevelFilter
unit tests BlurFilter
unit tests DropShadowFilter
unit tests GlowFilter
Small timeline fixes and cleanup
Load text symbols
Misc fixes and cleanups