* java/net/DatagramSocket.java
	(ch): Description added.
	(remotePort): Initialize with -1.
	(connect): Doesnt throws SocketException.
	* java/net/MulticastSocket.java
	(setInterface): Merge with Classpath.
	* java/net/ServerSocket.java
	(closed): New member variable.
	(bind): Check if socket is closed.
	(close): Close an associated channel too, set new value to closed.
	(isBound): Reindented.
	(isClosed): Implemented.
	* java/net/Socket.java
	(closed): New member variable.
	(bind): Check if socket is closed.
	(connect): Check if socket is closed.
	(close): Close an associated channel too, set new value to closed.
	(isClosed): Implemented.

From-SVN: r61185