Rejigged the MFImage format table, docs.

- More depth buffer formats.
- More documentation.
Merge pull request #6 from kayosiii/master

gl depth buffer texture type, string fix other dodgy fix to
More documentation work.

Reduced size of some embedded data tables by 4x.
More documentation...
I think this is enough documentation for now...
Tweak title text.
Deleted the ancient TODO.TXT and old website template.
Fixed the OpenGL renderer.

And other stuff...
Fixed MFIntTexture compiling.
Fixed MFFileSystem_FindFirst/Next to ignore '.' and '..', set 'Hidden' flag on names starting with '.'
Added MFRenderTarget for better management of render target objects.
Fixed depth render targets on D3D9.
Updated MFMat_Effect.
MFEffect + MFShader allllmost finished! >_<
MFEffect working inside MFMaterial with inline shaders on D3D9.
Updated AssImp, seems FBX is working now...
AssImp animation speed issue sorted out.
MFString_Enumerate properly handles the case-insensitive case.
Model Viewer improvement.
small fix
d interface for rendertargets

d interface for rendertargets