Removed old group sync worker and replaced with a migration service.
Added the necessary configuration for directly connecting to Crowd's DB
Using the connection to Crowd's DB...
- Removal of the Crowd Group DAO
+ Moved migration logic into a DAO
+ Removed dependence on REST calls in favor of direct DB calls on Crowd
Added tests for the migrator DAO.
Wired up the service to the admin controller
Added semaphore lock to service
Merge pull request #706 from kaysoky/CrowdMigrator

Crowd migrator service