Added Master_Host to the Replication information

Closes #3

scripts/mytop.sh

@@ -1120,6 +1120,7 @@ sub GetData()
 	        }
 	    }
 	    print " Replication ";
+	    print "Master:$data->{Master_Host} ";
 	    print "IO:$data->{Slave_IO_Running} ";
  	    print "SQL:$data->{Slave_SQL_Running} ";
 	    print RESET() if ($HAS_COLOR);