Documentation: Cleanup
qmake|OS X 10.8: No warnings about "long long"
Merge branch 'master' of ssh://github.com/skyjake/Doomsday-Engine
Fixed|Builder|Ubuntu: Marking a new version
Merge branch 'master' of ssh://github.com/skyjake/Doomsday-Engine
Fixed|Builder|Ubuntu: Run dch in the correct directory
libgui: Added stubs for GL classes, with basic implementation for GLBuffer

These classes encapsulate the GL(ES2) API for managing GL state,
textures, shaders, and buffers. All use of OpenGL will go through
these classes -- no direct OpenGL API calls should be done outside
libgui.
Merge branch 'master' into ui-framework