added better handling of network connections:

- only listen for new clients on a server if an open slot exists (unconnected)
- for both server and client we wait a max of 10 seconds to receive a proper intro packet or we disconnect (could have connected to / from a non glest application using the same port)

source/shared_lib/include/platform/posix/socket.h

@@ -181,6 +181,7 @@ public:
 
 protected:
 
+	int boundPort;
 	BroadCastSocketThread *broadCastThread;
 	void startBroadCastThread();
 	bool isBroadCastThreadRunning();