HBASE-7967 implement compactor for stripe compactions - ADDENDUM - fix javadoc warnings

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1536881 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9750 Add retries around Action server stop/start

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1536908 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'origin/trunk' into trunk-gd