Fix for issue #10

* src/platform/jboss/deployers/ejbinvokerservlet.py
  src/platform/jboss/deployers/jmxinvokerservlet.py
  -- If we could not detect the remote host, we should prompt for
  the user to either input a known version or guess.  It's not clear
  why this would happen, but as shown, it can.
  -- Added some comments