Implemented Matrix4::GetRotation
Fixed Frustum::GetPlane not compiling in debug
Improved unsupported texture format error
Fixed textures updated twice per state update
Added alpha-mapping support
Renamed XImpl to AbstractX (More consistent)

Where * is Buffer, Hash and Shader
Fixed missing include
Improved emission map effect
Improved comment
Regenerated Core and Utility global header

Following d46df4f changes
Fixed missing headers
Renamed depth test to depth buffer

Because disabling depth test also disable depth write
Added static assertions to check on MD2 structs
Added NazaraStringify(Macro)
Made use of smart pointers :)