-- Added indexes to registry tables
-- Better cleanup when a registry leaves the federation
-- Batching of queries in notification handler to reduce number of web service calls
-- Added Hibernate flushes and clears to better manage memory
Change-Id: I88ec580694d2104458391a798667748c88f16dd0
Former-commit-id: 4344ffec77286a531b9be29e9ef94acd9c6ce342
