HDFS-4845. FSNamesystem.deleteInternal should acquire write-lock before changing the inode map.  Contributed by Arpit Agarwal


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492941 13f79535-47bb-0310-9956-ffa450edef68
YARN-792. Moved NodeHealthStatus from yarn.api.record to yarn.server.api.record. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492943 13f79535-47bb-0310-9956-ffa450edef68
YARN-812. Set default logger for application summary logger to hadoop.root.logger. Contributed by Siddarth Seth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492958 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5319. Set user.name in job.xml. Contributed by Xuan Gong.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492962 13f79535-47bb-0310-9956-ffa450edef68