Remove stereo support
Merge branch 'master' into nacl-cgame/main

Conflicts:
	src/engine/client/cl_cgame.cpp
	src/engine/client/cl_scrn.cpp
	src/gamelogic/cgame/cg_main.cpp
Move Com_*Time to q_shared to remove 2 syscalls
Remove unused demo getter syscalls
Send glconfig on CG_Init instead of doing a syscall to get it