ISPN-4196 Remove duplicated TestingUtil.extractTxTable method in favor of getTransactionTable
ISPN-2148 Improve lock timeout exception details
Temporary fix for server test suite.
Fix marking of two unstable tests to really prevent them from running
ISPN-4204: Sync distexec demo project with current test code

Add a no argument constructor to WordCountCollator
Add a new distributed executor that performs a regular expression search
of the values in the cache
Reset counters in constructor for WordCountMapperEmitPerValue, and only
log progress after processing 5000 values
ISPN-4167 DummyBaseTransactionManager doesn't clean up when rollback fails