Model and Material are no longer OpenGL objects

Simplifies stuff quite a lot
Signed-off-by: Aleksi Sapon <QcTechs@gmail.com>
Remove redundent code

Signed-off-by: Aleksi Sapon <QcTechs@gmail.com>
Support for anisotropic filtering and anti aliasing

Signed-off-by: Aleksi Sapon <QcTechs@gmail.com>
Added TextureAtlas and createInstance() methods inside the models

Signed-off-by: thehutch <th3hutch@yahoo.co.uk>