HDFS-4695. TestEditLog leaks open file handles between tests. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1469015 13f79535-47bb-0310-9956-ffa450edef68
YARN-514.Delayed store operations should not result in RM unavailability for app submission (Zhijie Shen via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1469059 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5140. MR part of YARN-514 (Zhijie Shen via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1469060 13f79535-47bb-0310-9956-ffa450edef68
YARN-518. Fair Scheduler's document link could be added to the hadoop 2.x main doc page. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1469091 13f79535-47bb-0310-9956-ffa450edef68
YARN-476. ProcfsBasedProcessTree info message confuses users. (sandyr via tucu)

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MAPREDUCE-5128. mapred-default.xml is missing a bunch of history server configs. (sandyr via tucu)

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