HBASE-8899 Could not open a region on a server where it is being closed

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1501465 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8329 Limit compaction speed (binlijin)

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1501499 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8861  Remove ReplicationState completely (Chris Trezzo via JD)


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1501504 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/0.95' into 0.95-gd
Merge remote branch 'origin/0.95-gd' into fb-YAHOO-323-0.95-gd