ISPN-4856 PartitionHandling: majority check in PreferConsistencyStrategy
is incorrect
ISPN-4852 PartitionHandling: support replicated caches

* Properly create the PartitionHandlingManager for replicated caches
* Extract an interface and a factory for PartitionHandlingManager
* Work around ReplicatedConsistentHashFactory.updateMembers making every
  member an owner.