Move qcommon/cm_* to common/cm/
Remove CM's dependencies on the engine to compile it in the VMs
Fix CM_Alloc, the code assumes it give zeroed memory
Merge branch 'nacl' into move_stuff_in_game
Initialize VM proxies after the shared memory has been created (or it segfaults)
Merge branch 'nacl' into move_stuff_in_game
Move some fields of svEntity_t to a static array in sv_world
Move fields used by sv_wordl from svEntity_t to sharedEntity_t
Make the game VM handle by itself most of the old CM syscalls

* Add map loading to the game with a hack to bypass NaCl's limitation on
message size (send by small chunks)
* Move sv_world to game/g_cm_world
Move SetBrushModel to game too
Add a syscall log to gather metrics for NaCl
Merge branch 'move_stuff_in_game' into nacl