* java/net/DatagramSocket.java
	(receive): Check with SecurityManager AFTER the packet is received,
	check if connected to multicast address, documentation added.
	(send): Only check SecurityManager if connected, check address of
	packet to send.
	(connect): Implemented, documentation added.
	* java/net/Inet6Address.java: New file (not added yet to Makefile.am).
	* java/net/InetSocketAddress.java
	(whole file): Reindented.
	(hostname): New attribute.
	(InetSocketAddress): Initialize new attribute.
	(getAddress): Documentation added.
	(getHostName): Documentation added.
	(getPort): Documentation added.
	(hashCode): Documentation added.
	(isUnresolved): Documentation added.
	(toString): Conform to output of JDK 1.4.1, documentation added.
	* java/net/MulticastSocket.java
	(joinGroup): Removed FIXME, documentation added.
	(leaveGroup): Removed FIXME, documentation added.
	(send): Documentation added.
	* java/net/Socket.java
	(inputShutdown): New variable.
	(outputShutdown): New variable.
	(Socket): Initialize new variables.
	(getRemoteSocketAddress): Check if connected.
	(shutdownInput): Set new variable.
	(shutdownOutput): Set new variable.
	(isConnected): New method.
	(isClosed): New method.
	(isInputShutdown): New method.
	(isOutputShutdown): New method.
	* java/net/URLStreamHandler.java
	(URLStreamHandler): New method.
	(openConnection): Added documentation.
	(parseURL): Added documentation.
	(getHostAddress): New method.
	(getDefaultPort): New method.

From-SVN: r57772