Log message

Switching to the new protocol/optional syntax, away from the old category on
NSObject syntax, since this is now recommended by Apple.

	Modify	/trunk/ChatController.m	diff
	Modify	/trunk/NSXMLElementAdditions.h	diff
	Modify	/trunk/NSXMLElementAdditions.m	diff
	Modify	/trunk/XMPPClient.h	diff
	Modify	/trunk/XMPPClient.m	diff
	Modify	/trunk/XMPPParser.h	diff
	Modify	/trunk/XMPPParser.m	diff
	Modify	/trunk/XMPPPing.h	diff
	Modify	/trunk/XMPPStream.h	diff
	Modify	/trunk/XMPPStream.m	diff