HBASE-11947 NoSuchElementException in balancer for master regions (Sergey Soldatov and Jimmy Xiang)
HBASE-11619 Remove unused test class from TestHLogSplit (Mikhail Antonov)
HBASE-11936 IsolationLevel must be attribute of a Query not a Scan (Vladimir Rodionov)
HBASE-11760 Tighten up region state transition