Updated cl_sound_ric_gunshot CVar to support multiple modes. 0 plays no sounds,...

Updated cl_sound_ric_gunshot CVar to support multiple modes.  0 plays no sounds, 1 plays sounds on TE_GUNSHOT, 2 plays sounds on TE_GUNSHOTQUAD and 3 plays sounds on both TE_GUNSHOT and TE_GUNSHOTQUAD.  This is not bloat because the Crylink in Nexuiz uses TE_GUNSHOTQUAD, and most people don't want ricochet sounds on that (though if you do, all the merrier).

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7209 d7cf8633-e32d-0410-b094-e92efae38249