YARN-2152. Added missing information into ContainerTokenIdentifier so that NodeManagers can report the same to RM when RM restarts. Contributed Jian He.
svn merge --ignore-ancestry -c 1605205 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1605206 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6475. WebHdfs clients fail without retry because incorrect handling of StandbyException. Contributed by Yongjun Zhang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1605218 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10747. Merging change r1605219 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1605225 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1605239 from trunk for HADOOP-10674. Improve PureJavaCrc32 performance and use java.util.zip.CRC32 for Java 7 and above.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1605240 13f79535-47bb-0310-9956-ffa450edef68