Q to exit
Added documentation generator
Cleaned up SDL mouse for FPS

* no more "drift" if you pick up your mouse
* mouse is properly grabbed and hidden (toggle with 'L')

other: GLMesh merged with tanderegg's changes; shipobj materials load
Merge pull request #32 from Zardoz89/develop

Changing Q to provisional exit and Doxygen file for documentation
Merge pull request #33 from wrongu/develop

Cleaned up SDL mouse for FPS
Merged upstream changes
Got FPS view working fully with pitch and yaw rotation