MAPREDUCE-5012. Typo in javadoc for IdentityMapper class. Contributed by Adam Monsen.

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MAPREDUCE-5009. Killing the Task Attempt slated for commit does not clear the value from the Task commitAttempt member (Robert Parker via jeagles)

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YARN-400. RM can return null application resource usage report leading to NPE in client (Jason Lowe via tgraves)

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HADOOP-9112. test-patch should -1 for @Tests without a timeout (Surenkumar Nihalani via bobby)


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YARN-236. RM should point tracking URL to RM web page when app fails to start (Jason Lowe via jeagles)

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Merging trunk changes

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