Fixed warnings and optimized noise module
Cleaned LuaClass code
Added RenderStates
Refactored Material interface
Made use of RenderState
Fixed gl(LineWidth/Pointsize) useless calls
Fixed conflict between VAO and OpenGL::BindBuffer
Fixed DebugDrawer drawing black lines and points
Merge branch 'master' of github.com:DigitalPulseSoftware/NazaraEngine