remove appollo-web as it only in test scope and does not seem to be in use in JUnit tests
dont't imply that the serverAdaptor field has been set.
Use the server adaptor to generate the durable sub unsubscribe frame.  Make durable subs work with apollo properly.
Upgrade hawtdispatch version used.
[maven-release-plugin] prepare release stompjms-project-1.15
[maven-release-plugin] prepare for next development iteration