getTextureReference -> getTexture
*getTexture -> *getTexturePtr
Merge branch 'master' into refactor-getTextureReference

Conflicts:
	examples/3d/3DPrimitivesExample/src/ofApp.cpp
	examples/ios/PrimitivesExample/src/ofApp.mm
Merge pull request #3319 from arturoc/refactor-getTextureReference

getTextureReference -> getTexture