New persistence service
Created persistsvc-idl
Skeleton of persist svc.
Specify settings for the persist service.
Removing the copied scheduler code from the persist service skeleton code.
Tweak the test client, and the requirements.txt to make the client run successfully.
Inserted pseudocode to outline needed functionality.
Persist svc in progress. Created skeleton for real code to be dropped in.
Make changes to code to support new service base classes.
Make minor changes to persist svc.  Basic functionality now working.
Finding jobs and processing them.
Added support to atomically update the persist job entry when starting the persist job.
Flushed out design a bit more. Discovered that this approach will be way too expensive
due to all the querying which hits the db.  Will need to refactor.
Skeleton of design with a cache, mapper.
Scratched the old design.  Created skeleton for new design where
chat messages are handled sequentially.
Add support for chat tag create messages
Remove code from previous design.
Moved management of active chat minute into the ChatMinuteHandler class.
Refactored the message handler design a little bit to try and simplify things
as much as possible. Haven't tested the new design yet.
Added support for speaking markers in the chat persist svc.
Tweak chat marker handler. Cleaned up methods.
Deleted old files.
Created new file for unit tests.
Got the basic persist svc test suite passing.