HBASE-4210 Allow coprocessor to interact with batches per region sent from a client (Anoop)



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1450465 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7945 Remove flaky TestCatalogTrackerOnCluster

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1450544 13f79535-47bb-0310-9956-ffa450edef68