HBASE-7741 Don't use bulk assigner if assigning just several regions

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1443617 13f79535-47bb-0310-9956-ffa450edef68
HBASE-6782 HBase shell's 'status 'detailed'' should escape the printed keys (Viji)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1443620 13f79535-47bb-0310-9956-ffa450edef68
Add doc on htablepool and the htable constructor that takes an executor -- text from LarsH

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1443633 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7698 race between RS shutdown thread and openregionhandler causes region to get stuck (Ram)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1443637 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7785 rolling-restart.sh script unable to check expiration of master znode (Samir Ahmic)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1443659 13f79535-47bb-0310-9956-ffa450edef68
Added Devaraj Das [ddas] as a committer.

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1443673 13f79535-47bb-0310-9956-ffa450edef68