YARN-2232. Fixed ResourceManager to allow DelegationToken owners to be able to cancel their own tokens in secure mode. Contributed by Varun Vasudev.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1607484 13f79535-47bb-0310-9956-ffa450edef68
YARN-2022. Fixing CHANGES.txt to be correctly placed.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1607486 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6610. TestShortCircuitLocalRead tests sometimes timeout on slow machines. Contributed by Charles Lamb.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1607496 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5900. Changed to the interpret container preemption exit code as a task attempt killing event. Contributed by Mayank Bansal.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1607512 13f79535-47bb-0310-9956-ffa450edef68