HBASE-10436 restore regionserver lists removed from hbase 0.96.0 jmx


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1571888 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10608 Acquire the FS Delegation Token for Secure ExportSnapshot

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1571893 13f79535-47bb-0310-9956-ffa450edef68