Merge pull request #144 from blockforest/master

Added a, b, c, d, tx, ty setters to Matrix
Added linearFlash to GraphicsGradient to mimic Flash API behaviour.
Added DisplayObjectContainer3D as base class for 3D
Added localToGlobal and globalToLocal for 3D object
Added a little bit of documentation for 3D
Version 0.10.1
Merge remote-tracking branch 'upstream/master'