HBASE-8169 TestMasterFailover#testMasterFailoverWithMockedRITOnDeadRS may fail due to regions randomly assigned to a RS (Jeffrey Zhong)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464790 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8179. Fixes a problem to do with the json response for the cluster status

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464797 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7649 client retry timeout doesn't need to do x2 fallback when going to different server

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464798 13f79535-47bb-0310-9956-ffa450edef68