Added implementation for using MongoDB as a data store.
Add resetmongo.py script to restore the mongo db to pristine for testing purposes.
Added resetmongo.py to resettest.sh.
Added message queueing code to connect to and use ActiveMQ.
Added two queue listener scripts: addFileWorker.py to add files to DB, and renameFileWorker.py to rename files.
Refactored audiofile3 and testandverify_3.sh to work with updated code that uses ActiveMQ message queue.