YARN-2288. Made persisted data in LevelDB timeline store be versioned. Contributed by Junping Du.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1616540 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6781. Separate HDFS commands from CommandsManual.apt.vm. (Contributed by Akira Ajisaka)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1616575 13f79535-47bb-0310-9956-ffa450edef68
YARN-2008. Fixed CapacityScheduler to calculate headroom based on max available capacity instead of configured max capacity. Contributed by Craig Welch

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1616580 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-6021. MR AM should have working directory in LD_LIBRARY_PATH. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1616585 13f79535-47bb-0310-9956-ffa450edef68