YARN-827. Need to make Resource arithmetic methods accessible^CJian He via bikas)

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Update CHANGES.txt to move HDFS-4772 to 2.1.0 section

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HADOOP-9619 Mark stability of .proto files (sanjay Radia)


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HADOOP-9421. [RPC v9] Convert SASL to use ProtoBuf and provide negotiation capabilities (daryn)


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Deleting files missed for YARN-827

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HDFS-4205. fsck fails with symlinks. Contributed by Jason Lowe


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MiniYARNCluster broken after YARN-827 (bikas)

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