added Screen blendmode
depth sort alpha objects (per z center)
added shader.Outline
a bit of NME support
setFillColor of CanvasRenderingContext2D is webkit specific, so change to fillStyle
Merge pull request #84 from darkdarkdragon/html5_fix

setFillColor of CanvasRenderingContext2D is webkit specific, so change t...
Merge remote-tracking branch 'upstream/master'