Removed canvas property from Window
Added ability to read pixel data from canvas
Changed Presentation playback to use theoretical timing
Added exportMovie to Presentation
Improved canvas draw performance
Split out rendering portion of Canvas into Renderer
Fixed unbinding of mask
Merge branch 'master' of https://github.com/cafarm/Stage into lcr
Added flipping event to Window
Reintegrated renderer into canvas
Fixed swap interval not being set correctly
Reinstated default mask in canvas
Merge pull request #1 from cafarm/lcr

Changed presentation timing and added exportMovie