HDFS-6257. TestCacheDirectives#testExceedsCapacity fails occasionally (cmccabe)

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HDFS-6399. Add note about setfacl in HDFS permissions guide. Contributed by Chris Nauroth.

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HADOOP-10664. TestNetUtils.testNormalizeHostName fails. Contributed by Aaron T. Myers.


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Moving CHANGES.txt entry for HADOOP-9099 to the correct section.


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Augmented RMStateStore with state machine. Contributed by Binglin Chang.

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