HADOOP-10769. Create KeyProvider extension to handle delegation tokens. Contributed by Arun Suresh.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1608286 13f79535-47bb-0310-9956-ffa450edef68
YARN-1367. Changed NM to not kill containers on NM resync if RM work-preserving restart is enabled. Contributed by Anubhav Dhoot

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1608334 13f79535-47bb-0310-9956-ffa450edef68
YARN-2248. Implement application movement between queues in CapacityScheduler