HBASE-7711 rowlock release problem with thread interruptions in batchMutate (Ted Yu)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1441066 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7717 addendum, really wait for all tables in TestSplitTransactionOnCluster.

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1441150 13f79535-47bb-0310-9956-ffa450edef68