Use the server adaptor to generate the durable sub unsubscribe frame.  Make durable subs work with apollo properly.
Merge branch 'master' of github.com:fusesource/stompjms

* 'master' of github.com:fusesource/stompjms:
  dont't imply that the serverAdaptor field has been set.
  remove appollo-web as it only in test scope and does not seem to be in use in JUnit tests
Upgrade hawtdispatch version used.