* default sprite shader now looks finished
* demo1 now works with tex coords
- demo1 cleaning
* Material.Unbind is no more class method
+ Material.Unbind partial implementation - Shader.Unbind. Still think, is it ever need (unbind for all stuff)
+ added bind attrib location for tex coord. Still a hack
* sys_win cosmetic enhancements
- Commented some fixed function pipeline gl functions
-little ffp removed
- Texture.CombineMode (ffp)
- Render.SetLighting
* more refactoring
* refactoring
* refactoring