HBASE-11982 Bootstraping hbase:meta table creates a WAL file in region dir (Enis)
HBASE-12032 Script to stop regionservers via RPC (Patrick White)
HBASE-12033 SecurityUtil#doAsLoginUser is absent in hadoop-1, making AccessController#postCreateTableHandler() ineffective
HBASE-11405 Multiple invocations of hbck in parallel disables balancer permanently (bharath v)