force OpenGL context; use KEY_ instead of ascii value
fix build for windows systems
fixing the fix
move window to selected screen; remove double entries in resolution list; fix wrong variable
use screen bounds instead of video mode
Merge branch 'master' into screens

Conflicts:
	src/engine/client/backend_sdl.cpp
remove hack, use SDL_WINDOWPOS_UNDEFINED_DISPLAY
Merge branch 'master' into screens

Conflicts:
	src/engine/client/backend_sdl.cpp
windows support
Merge branch 'master' into screens