HBASE-11499 AsyncProcess.buildDetailedErrorMessage concatenates strings using + in a loop (Mike Drob)
HBASE-8473 add note to ref guide about snapshots and ec2 reverse dns requirements (Misty Stanley-Jones)
HBASE-11493 Autorestart option is not working because of stale znode 'shutdown'(Nijel)
HBASE-11497 Expose RpcScheduling implementations as LimitedPrivate interfaces (Jesse Yates)