ISPN-2042 Add easy trace logging facility to the test suite
ISPN-4745 Cluster Listener TX Batch incorrect when sending multiple
events

* Fixed typo where the events were sent inside the for loop
ISPN-3729 Minimize the number of moved segments for SyncConsistentHashFactory

Based on the original consistent hashing paper, the
NewSyncConsistentHashFactory algorithm doesn't move any segments at all.