HBASE-7923 force unassign can confirm region online on any RS to get rid of double assignments

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464232 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8263 Master LogSplitting metrics update wrong counters

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464268 13f79535-47bb-0310-9956-ffa450edef68