setup glowutils namespace
setup glowwindow namespace
adjust namespaces in examples
Merge branch 'master' into indie_namespaces

Conflicts:
	examples/post-processing/main.cpp
	examples/single-context/main.cpp
	examples/vertexarrayattributes/main.cpp
fix post-processing
Merge pull request #84 from hpicgs/indie_namespaces

Indie namespaces