YARN-333. Schedulers cannot control the queue-name of an application. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1502376 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9418.  Add symlink support to DistributedFileSystem (Andrew Wang via Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1502384 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4978. Merge r1502400 from trunk.

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