ISPN-4654 AND over range queries does not work (indexless query)

Some subscription gets mistakenly suspended.
ISPN-263 Handle cluster partitions

* More documentation fixes
* Rename isAllDataAvailable to isMissingData
ISPN-4574 PartitionHandling: consider less than numOwners partitions

Merged PartitionHandlingStrategy with RebalancePolicy -> AvailabilityStrategy