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.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1502402 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
Merge remote branch 'origin/branch-2-gd' into fb-YAHOO-253-branch-2-gd