Remove D3D related files
Remove software renderer
First version of 'smooth landing' in physics.
Reenable GL 3.1 support on windows
Use glsl with GL >= 3.1
Use glVertexAttribDivisorARB

If GL 3.1 is supported but not 3.3, use glVertexAttribDivisorARB instead
of glVertexAttribDivisor
Remove another CBurning file
Remove 3DS Loader
Remove Half Life loader
Remove ogre loader
Remove X/MS3D file loader
Add default texture to m_sun_interposer
Merge MAT_* with shadertype
Set normal map and detail map in material.cpp
Fix material detection
Improve debug msg
Merge branch 'minlicht'
Added (some) support for driving on walls, added documentation.
Fixed info message.
Add inet_ntop function for mingw compiler