YARN-1824. Improved NodeManager and clients to be able to handle cross platform application submissions. Contributed by Jian He.
MAPREDUCE-4052. Improved MapReduce clients to use NodeManagers' ability to handle cross platform application submissions. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578135 13f79535-47bb-0310-9956-ffa450edef68
YARN-1845. Elapsed time for failed tasks that never started is wrong (Rushabh S Shah via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578457 13f79535-47bb-0310-9956-ffa450edef68
YARN-1845. Elapsed time for failed tasks that never started is wrong (Rushabh S Shah via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578459 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6094. The same block can be counted twice towards safe mode threshold. (Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1578478 13f79535-47bb-0310-9956-ffa450edef68