ISPN-1951 Use MERGE3 in the default UDP configuration
ISPN-4570 Remove UFC from JGroups TCP configurations
ISPN-3937 Investigate the memory usage of JDBC cache stores when processing a large result set

* Set the result type to TYPE_FORWARD_ONLY and the concurrency to CONCUR_READ_ONLY
* For the particular case of MySQL, setting the fetchSite to MIN_VALUE will fetch
a single row at the time
ISPN-4524 ClusteredCacheWithAsyncDirTest.testCombinationOfFilters random failures
ISPN-4502 Fix test faillures due to resolving 127.0.0.1 to localhost.localdomain
Change ReplicatedCHFactory to only replace leavers in updateMembers()

Uneven primary ownership should be dealt with in rebalance() only.
Delegate the isBalanced() check in DefaultRebalancePolicy to the CH factory

Allows waitForRehashToComplete() to work even if the CH factory allocated
less than numOwners owners to each segment.