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YARN-486. Changed NM's startContainer API to accept Container record given by RM as a direct parameter instead of as part of the ContainerLaunchContext record. Contributed by Xuan Gong.
MAPREDUCE-5139. Update MR AM to use the modified startContainer API after YARN-486. Contributed by Xuan Gong.


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HADOOP-9471. Merged into 2.0.4-alpha. Fixing CHANGES.txt


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MAPREDUCE-4985. Add compression option to TestDFSIO usage. Contributed by Plamen Jeliazkov.

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Merge remote branch 'origin/branch-2' into branch-2-gd
Merge remote branch 'origin/branch-2-gd' into fb-YAHOO-286-branch-2-gd