Update the distribution location in the release script
ISPN-4808 Release script doesn't work with new distribution
Fix whitespace before package declaration for new files.
ISPN-4807 NPE under high load when using async metadata writes for the Lucene Directory
ISPN-4807 Improve PerformanceCompareStressTest to better model the scenarious we're mostly interested in

Marked as ISPN-4807 as the new configuration of the test serves as stress-test to identify the NPE
ISPN-4544 BaseWordCountMapReduceTest#testCombinerForDistributedReductionWithException doesn't actually test reduce exception
ISPN-4677 Map/Reduce job fails with the wrong explanation on underlying TimeoutException
ISPN-3938 AdvancedAsyncCacheLoader.process() concurrency issues

Simplify ExecutorAllCompletionService to track the tasks itself instead of
using an ExecutorCompletionService.