Updated the server side communication layer

package psl.chime.vem;
 
import java.lang.*;
import java.io.*;
import siena.*;
 
public class VemSubscriber
{
    public static void main (String [] args)
    {
    	if (args.length != 2)
    		System.err.println ("Incorrect Usage: java VemSubsriber <host> <port>");
    	else
    	{
    		String sienaHost;
    		Vem V = new Vem ();
 
	    	sienaHost = "senp://" + args [0] + ":" + args [1];
 
			V.VemSetHost (sienaHost);
 
			V.start ();
		}
    }
}