Changed assertions to use test framework assertions
Fixed SKIP_REMOTE_STORE to only mean when persisting entries
ISPN-4820 Change Size method on Cache to return the contents of the
entire cluster

* SizeCommand now uses entry iterator
ISPN-4693 Initial submission of handling for orphaned transactions.
ISPN-4693 Initial submission of handling for orphaned transactions.

* Rename cleanup methods
* Move warning to Log interface
* Handle nanoTime() overflows in cleanupTimedOutTransactions
ISPN-4693 Increase the wake up interval for cleaning timed out remote transactions