MAPREDUCE-4871. AM uses mapreduce.jobtracker.split.metainfo.maxsize but mapred-default has mapreduce.job.split.metainfo.maxsize (Jason Lowe via jeagles)

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YARN-269. Resource Manager not logging the health_check_script result when taking it out. Contributed by Jason Lowe

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HADOOP-9336. Allow UGI of current connection to be queried. Contributed by Daryn Sharp.

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Merge remote branch 'origin/branch-0.23' into branch-0.23-gd
YARN-376. Fixes a bug which would prevent the NM knowing about completed containers and applications. Contributed by Jason Lowe.


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Merge remote branch 'origin/branch-0.23-gd' into fb-YAHOO-214-branch-0.23-gd