svn merge -r 1458380:1458376 Reverted MAPREDUCE-5028 from branch-0.23


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1458469 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1458466 FIXES: YARN-200. yarn log does not output all needed information, and is in a binary format. Contributed by Ravi Prakash


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1458474 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-0.23' into branch-0.23-gd
Merge remote branch 'origin/branch-0.23-gd' into fb-xxx-hadoop-auth-kerberos-realm-branch-0.23-gd