HBASE-8274 Backport to 94: HBASE-7488 Implement HConnectionManager.locateRegions which is currently returning null 

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1465142 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8276 Backport hbase-6738 to 0.94 "Too aggressive task resubmission from the distributed log manager" (Jeffrey)



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1465161 13f79535-47bb-0310-9956-ffa450edef68