adds texture alpha mask. Closes #172
ofImage: add bind parameter to specify textureLocation
ofTexture: setters for texture matrix.
ofxAndroidVideoPlayer: change the way we set the textureMatrix
ofxAndroidVideoGrabber: use setter to set texture matrix
Merge pull request #3092 from arturoc/feature-textureAlphaMask

adds texture alpha mask. Closes #172
ofOpenALSoundPlayer: fix static deinitialization fiasco. Closes #3105
Merge branch 'master' of github.com:openframeworks/openFrameworks
ofAppGLFWWindow: fix ambiguities from diamond inheritance