HDFS-4866. Merging change r1493301 from branch-2 to branch-2.1-beta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1493302 13f79535-47bb-0310-9956-ffa450edef68
YARN-821. Renamed setFinishApplicationStatus to setFinalApplicationStatus in FinishApplicationMasterRequest for consistency. Contributed by Jian He.
svn merge --ignore-ancestry -c 1493315 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1493317 13f79535-47bb-0310-9956-ffa450edef68