HBASE-8158. Backport HBASE-8140 "TableMapReduceUtils#addDependencyJar fails when nested inside another MR job" (Nick Dimiduk)


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1465743 13f79535-47bb-0310-9956-ffa450edef68