Created basic audit trail service for table and column
Created basic audit trail service to check audit trail of any entity
instance
Added untested service to list all revisions in a date range by a user 
GET /audit/revisions?start_date=xxx&end_date=xxx&username=xxx
Added launch script and made config files dynamic
Added clean up of $serviceDir
Added return to home folder of ec2-user
Completed audit log testing