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
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-253-trunk-gd