Add glow::init() function
Add Shader Compiler (refs #72)
Move ShaderCompiler to private interface (refs #72)
Fix #82
USe minimal required version numbers for examples (refs #77)
setup glowutils namespace
setup glowwindow namespace
Make some glow examples and glow features OpenGL 3.0 compatible
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
Update README.md
Fix namespace error in RawFile
Merge branch 'origin/master'
Adjust namespaces
Make gpu-particles example run on < 4.3 systems for the moment, until that problem is finally fixed