HBASE-8360  In HBaseClient#cancelConnections we should close fully the connection

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1469952 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8374 NullPointerException when launching the balancer due to unknown region location (Ted Yu)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1469954 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8279-Performance Evaluation does not consider the args passed in case of more than one client (Ram)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1469979 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd