ISPN-4569 Inserting into cache with indexing fails for XA transactions

* Use the BatchModeTransactionManager for the cluster registry cache.
* Suspend ongoing transactions during cluster registry cache operations,
  in case another cache also uses the same TM.
ISPN-4436 Karaf is stucked when running iOSGI integration tests
ISPN-4601 DirectoryLoaderAdaptor computes the auto-chunk factor applying wrong rounding
ISPN-4436 Karaf stucked when running iOSGI integration tests on IBM JDK

Upgrade the PAX EXAM version in the server integration module also.
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
Fix NPE handling initial topology update on the first node with L1 enabled
Increase UUID lifespan to 20 minutes