ISPN-4890 Entry iterator should throw AvailabilityException in degraded
mode

* Check availability before allowing iteration
* Listen for availability changes while processing iteration
ISPN-4904 PartitionHandlingInterceptor should not do checks when
Flag.CACHE_MODE_LOCAL is supplied

* Skip partition checks when local flag is provided
ISPN-4675 Missing server configuration for remote executor thread pool

Add server configuration for the remote command executor and the total order executor.
Revert "Revert rebalancing per cache"

This reverts commit 8cbba22ae625c7dd3e8f5ff389b71f4b49aec2b4.