* send along the reason for disconnection when sending the disconnect

cmd to all clients in SV_FinalMessage()
* on Com_Error(), set the cvar "com_errorCode" with the errorParm_t integer
  value for the error.  This can be used by a mod's ui to an draw error
  dialog specific for the error (e.g. Reconnect button on ERR_SERVERDISCONNECT)

code/server/sv_init.c

@@ -708,7 +708,7 @@ void SV_FinalMessage( char *message ) {
 				// don't send a disconnect to a local client
 				if ( cl->netchan.remoteAddress.type != NA_LOOPBACK ) {
 					SV_SendServerCommand( cl, "print \"%s\n\"\n", message );
-					SV_SendServerCommand( cl, "disconnect" );
+					SV_SendServerCommand( cl, "disconnect \"%s\"", message );
 				}
 				// force a snapshot to be sent
 				cl->nextSnapshotTime = -1;