HADOOP-9373. Merge change r1453599 from trunk

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HADOOP-9372. Merge r1453637 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485852 13f79535-47bb-0310-9956-ffa450edef68
Merge changes r1453645 for HADOOP-9373, r1453675 for HADOOP-9376, r1453676 for HADOOP-9365, r1454108 for HADOOP-9364.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485853 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1485861 Merging from trunk to branch-2 to fix HDFS-4807.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485863 13f79535-47bb-0310-9956-ffa450edef68
YARN-548. Add tests for YarnUncaughtExceptionHandler (Vadim Bondarev via jeagles)

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HDFS-4714. Log short messages in Namenode RPC server for exceptions meant for clients. Contributed by Kihwal Lee.

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YARN-711. Copied BuilderUtil methods in individual API records as BuilderUtils is going to be dismantled. Contributed by Jian He.
svn merge --ignore-ancestry -c 1485888 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485890 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8562. Merge changes r1454616 for HDFS-4573, r1454889 for HADOOP-8973, r1455360 for HDFS-4572, r1455605 for HDFS-4287 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485892 13f79535-47bb-0310-9956-ffa450edef68
HADOP-8662. Merge r1455637 for HADOOP-9388, r1455956 for HDFS-4593, r1456060 for HDFS-4582 and r1457057 for HDFS-4603

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MAPREDUCE-5230. Bring back NLineInputFormat.createFileSplit for binary compatibility with mapred in 1.x Contributed by Mayank Bansal.
svn merge --ignore-ancestry -c 1485906 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485908 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8562. Merge r1457069 for HDFS-4604, r1459514 for YARN-488, r1459520 for YARN-490, r1459526 for YARN-491, r1459544 for MAPREDUCE-5078 and r1459573 for HDFS-4607

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HADOOP-8562. Merge r1459586 for HDFS-4615, r1459592 for HDFS-4584, r1459643, r1459642 for HADOOP-9387, r1460086 for HADOOP-9353

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HADOOP-8562. Merge r1464780 HDFS-4625, r1465869 YARN-557, r1466148 HDFS-4674, r1466306 HADOOP-9437, r1466746 YARN-487

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MAPREDUCE-4885. Merge r1467158 from trunk

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HDFS-4693. Merge r1468457 from trunk.

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HADOOP-8562. Merge r1469996 for HADOOP-9488, r1469998 for YARN-593

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MAPREDUCE-4987. Merge r1470003  from trunk

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HADOOP-9443. Merge r1470224 from trunk

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HDFS-4725. Merge r1470771 from trunk

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HDFS-4732. Merge r1471090 from trunk

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