svn merge -c 1517085 FIXES: MAPREDUCE-5475. MRClientService does not verify ACLs properly. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1517091 13f79535-47bb-0310-9956-ffa450edef68