Keep lobby open in the background during internet games. Show the lobby after the game finished. Re-open the game. Start and stop irc thread together with the client thread.

src/net/common/servergamestate.cpp

@@ -1126,6 +1126,7 @@ ServerGameStateNextGameDelay::Process(ServerGameThread &server)
 
 		// Wait for the start of a new game.
 		server.SetState(ServerGameStateInit::Instance());
+		server.GetLobbyThread().NotifyReopeningGame(server.GetId());
 	}
 
 	return retVal;