* 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