svn merge -c 1572269 FIXES: Preserve Job diagnostics in history. Contributed by Gera Shegalov


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572276 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3969. Small bug fixes and improvements for disk locations API. Contributed by Todd Lipcon and Andrew Wang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572287 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4685. Merge HDFS ACLs to branch-2.  Merging changes r1569870, r1570466, r1570655, r1571573, r1571745, r1572142, r1572189 and r1572190 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572308 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4685. Update CHANGES.txt in branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572315 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5766. Moved ping messages from TaskAttempts to be at DEBUG level inside the ApplicationMaster log. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572381 13f79535-47bb-0310-9956-ffa450edef68
YARN-1301. Added the INFO level log of the non-empty blacklist additions and removals inside ApplicationMasterService. Contributed by Tsuyoshi Ozawa.
svn merge --ignore-ancestry -c 1572400 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572402 13f79535-47bb-0310-9956-ffa450edef68
YARN-1429. *nix: Allow a way for users to augment classpath of YARN daemons. (Jarek Jarcec Cecho via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572406 13f79535-47bb-0310-9956-ffa450edef68