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