ISPN-3229 L1 cache entries should not be passivated

* Only passivated owned entries
* Added test for L1 entries not being passivated
ISPN-4652 Passivation with shared CacheLoader is not working properly

* ClusteredConditionalCommandTest covers this change
ISPN-4364 Add documentation for Entry Retriever

* Added documentation for retriever
* Also made sure that filter package is public as it should be
ISPN-4674 When sending partial topology updates, filter segment owners

* Topology updates need to filter segment owners based on the cluster
members sent to the client to cope with partial topology updates.
* Added distributed topology change under load test to replicate issue.