Removed socket non-errors, added success message for opening listening sockets.
Removed socket non-errors, added success message for opening listening sockets.

DDVTECH/mistserver,DDVTECH/mistserver,DDVTECH/mistserver,DDVTECH/mistserver,rbouqueau/libdtsc_xp,DDVTECH/mistserver,rbouqueau/libdtsc_xp,rbouqueau/libdtsc_xp