use addGroup to avoid multiple additions.  do the same for REGISTERED.  should fix sf bug #1009589.
use addGroup to avoid multiple additions.  do the same for REGISTERED.  should fix sf bug #1009589.


kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1