Revert "ISPN-4782 Drop the Mux Channel block in favour of a FORK protocol in the"

This reverts commit c150200b20018bbe9c2862764582b110abed6f59.
ISPN-4864 Drop the JGroups FORK protocol until we can properly support it
ISPN-4776 - The topology id for the merged cache topology is not always bigger than all the partition topology ids
ISPN-4512 CacheManagerTest.testCacheManagerRestartReusingConfigurations random failures

Move the up handler deregistration to CommandAwareRpcDispatcher.stop
TODO
Logging improvements
Fix TestingUtil.clearContent for secure cache managers
find_unstable_tests_teamcity wasn't using the command-line arguments
Log non-CacheRpcCommand responses
Stop forked threads after each method, not just after the class
Log filtering script fix
Fix TestingUtil.extractComponentRegistry for secure caches
Replace Exception.printStackTrace with proper logging
Replace System.out.println with logging
Merge the performance test group into the profiling group
find_unstable_tests_teamcity.py fixes
Increase UUID lifespan to 20 minutes
ISPN-4760 Cluster registry doesn't work when rebalancing is disabled

* Rebalancing should always be enabled for the cluster registry cache
* Fix StateTransferSuppressIT