[0.94] port HBASE-11217 Race between SplitLogManager task creation + TimeoutMonitor. (LarsH - original patch by Enis)
mutateRowsWithLocks might require updatesLock.readLock with waitTime=0. (cuijianwei)
CHANGES.txt pom.xml for 0.94.22RC0
HBASE-11652 Port HBASE-3270 and HBASE-11650 to 0.94 - create cluster id and version file in a tmp location and move it into place. (LarsH, original patches by Andrew Purtell)