MAPREDUCE-6002. Made MR task avoid reporting error to AM when the task process is shutting down. Contributed by Wangda Tan.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1613743 13f79535-47bb-0310-9956-ffa450edef68
YARN-2247. Made RM web services authenticate users via kerberos and delegation token. Contributed by Varun Vasudev.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1613821 13f79535-47bb-0310-9956-ffa450edef68
YARN-2248. Implement application movement between queues in CapacityScheduler