YARN-1774. FS: Submitting to non-leaf queue throws NPE. (Anubhav Dhoot and Karthik Kambatla via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1575417 13f79535-47bb-0310-9956-ffa450edef68
YARN-1783. Fixed a bug in NodeManager's status-updater that was losing completed container statuses when NodeManager is forced to resync by the ResourceManager. Contributed by Jian He.
svn merge --ignore-ancestry -c 1575437 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1575438 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5064. Standby checkpoints should not block concurrent readers. Contributed by Aaron Twining Myers.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1575449 13f79535-47bb-0310-9956-ffa450edef68
YARN-1781. Modified NodeManagers to allow admins to specify max disk utilization for local disks so as to be able to offline full disks. Contributed by Varun Vasudev.
svn merge --ignore-ancestry -c 1575463 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1575464 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1575470 from trunk for HADOOP-10393. Fix the javac warnings in hadoop-auth.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1575471 13f79535-47bb-0310-9956-ffa450edef68