YARN-684. ContainerManager.startContainer should use ContainerTokenIdentifier instead of the entire Container. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488086 13f79535-47bb-0310-9956-ffa450edef68
merge MAPREDUCE-5286 from trunk. Change MapReduce to use ContainerTokenIdentifier instead of the entire Container in the startContainer call - YARN-684. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488088 13f79535-47bb-0310-9956-ffa450edef68
Merge r1480838 and r1480840 from trunk for merging HDFS Snapshot feature.


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svn merge -c 1483150 from trunk for HDFS-4826. TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk.


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