HBASE-9685 IntegrationTestMTTR should stop on RetriesExhaustedException

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1527690 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9677 Remove MasterAdmin and MasterMonitor protos; have MasterService provide these functions

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1527719 13f79535-47bb-0310-9956-ffa450edef68