MAPREDUCE-4678. Running the Pentomino example with defaults throws java.lang.NegativeArraySizeException. Contributed by Chris McConnell. (harsh)

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MAPREDUCE-4925. The pentomino option parser may be buggy. Contributed by Karthik Kambatla. (harsh)

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MAPREDUCE-4921. JobClient should acquire HS token with RM principal (Daryn Sharp via bobby)


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HDFS-4399. precommit release audit warnings (tgraves)

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