* java/net/DatagramSocket.java
	(DatagramSocket): Initialize new instance variables.
	(close): Reset new instance variables.
	(getLocalAddress): Remove unneeded SecurityManager usage.
	(getLocalPort): Check if socket is already bound.
	(isConnected): New method.
	(getInetAddress): Implemented.
	(getPort): Better Implementation, documentation fixed.
	(getRemoteSocketAddress): New method.
	* java/net/JarURLConnection.java
	(element): Typo fixed.
	(getMainAttributes): New method.
	(getAttributes): New method (stub only).
	(getManifest): New method (stub only).
	* java/net/NetPermission.java: Added serialVersionsUID.
	* java/net/Socket.java
	(connect): Check blocking mode of associated channel,
	documentation added.
	(getLocalSocketAddress): Better implementation.
	(getRemoteSocketAddress): Implemented.
	(isBound): New method.
	(setSendBufferSize): Documentation added.
	* java/net/SocketAddress.java: Added serialVersionsUID.
	* java/net/SocketPermission.java: Added serialVersionsUID.
	* java/net/URL.java
	(URL): Wrap for shorter lines, initialize new instance variables,
	documentation added.
	(equals): Check new instance variables too.
	(getContent): Documentation added.
	(getPath): Documentation added.
	(getAuthority): New method.
	(getHost): Documentation added.
	(getPort): Documentation added.
	(getDefaultPort): New method.
	(getProtocol): Documentation added.
	(getUserInfo): Documentation added.
	(set): Initialize new instance variables, documentation added.
	* java/net/URLStreamHandler.java
	(setURL): New method.
	* java/net/natPlainDatagramSocketImpl.cc
	(connect): Fix exception name.
	(disconnect): Fix exception name.

From-SVN: r57501