Host 3D: crServer: move things in place: texture-related stuff -> server_texture.c.
crOpenGL: crOpenGL: 1. workaround point sprite driver bugs; 2. workaround multi-string shader source driver bug; 3. proper GLhandle for OSX; 4. extended dumping; 5. misc fixes
crOpenGL: burn fix
crOpenGL: fix vista64 host crashes with wddm guest, fix pbuffers support