Get mvn eclipse:eclipse work for the leveldb stuff
Redo upgrade to mqtt-client, it's been synced to a public repo.
Also use new releases of stompjms and hawtdispatch to pick up bug fixes in those components.

Upgrade to patched version of qpid-proton to fix bugs that affect performance and TTL handling.
Merge branch 'leveldb-eclipse' of https://github.com/dkulp/activemq into trunk