Merged idq3-GPL quotes fix for Com_ParseCommandLine to SP and MP.
Fixed potential buffer overflow in RE_AddPolyToScene (SP+MP)
Use Cvar_SetValue for anisotropic filtering to not set the cvar string as a float always.
SP workaround for using cheats and not being able to progress in the menus.
Force powers at level 4 display 3 points for now, so that at least something is displayed.
Can continue past force select screen if helpusobi 1 is true.