added command line and configuration file arguments to choose

the address and port to listen on or connect to.  changed the
default port and put it in ProtocolTypes.h.  the HTTP port is
now no longer opened unless the --http argument is supplied
or the config file includes it.

net/XSocket.cpp

@@ -5,7 +5,7 @@
 //
 
 XSocketAddress::XSocketAddress(Error error,
-								const CString& hostname, SInt16 port) throw() :
+								const CString& hostname, UInt16 port) throw() :
 								m_error(error),
 								m_hostname(hostname),
 								m_port(port)
@@ -23,7 +23,7 @@ CString					XSocketAddress::getHostname() const throw()
 	return m_hostname;
 }
 
-SInt16					XSocketAddress::getPort() const throw()
+UInt16					XSocketAddress::getPort() const throw()
 {
 	return m_port;
 }