Added unit tests
Renamed properties for expired endpoint collection
TESB-14053: Renamed the method for updating time-to-live
TESB-14053: Changed expiration time to time-to-live
Removed persistence flag from the locator infterface
Merge branch 'master' of github.com:Talend/tesb-rt-se
TESB-14053: Renamed timetolive zookeeper node
TESB-14053: Add junit tests