YARN-638. Modified ResourceManager to restore RMDelegationTokens after restarting. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1487720 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9574. Fix for timing issues in the original patch's test-case.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1487722 13f79535-47bb-0310-9956-ffa450edef68
YARN-719. Move RMIdentifier from Container to ContainerTokenIdentifier. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1487741 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd