HBASE-11598 Add simple rpc throttling
HBASE-10134 Add Chaos Monkey that doesn't touch the master (Matteo Bertozzi ADDENDUM)
HBASE-12019 hbase-daemon.sh overwrite HBASE_ROOT_LOGGER and HBASE_SECURITY_LOGGER variables (Sebastien Barrier)
HBASE-11405 Multiple invocations of hbck in parallel disables balancer permanently (bharath v)