Merge branch 'develop' of github.com:openframeworks/openFrameworks into develop
Merge branch 'develop' of github.com:openframeworks/openFrameworks into develop
adds ofMatrixMode
load/mult matrices methods for cairo
ofCamera totally independent from openGL
ofCamera: remove dependencies with glu
Merge branch 'feature-matrixmode' into bugfix-ofCamera2

Conflicts:
	libs/openFrameworks/3d/ofCamera.cpp
ofCamera: fix const correctness
Merge pull request #1846 from arturoc/bugfix-ofCamera2

ofCamera: remove dependencies with glu, openGL + fix const correctness