YARN-71. Fix the NodeManager to clean up local-dirs on restart. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1460808 13f79535-47bb-0310-9956-ffa450edef68
YARN-439. Flatten NodeHeartbeatResponse. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1460811 13f79535-47bb-0310-9956-ffa450edef68
YARN-497. Yarn unmanaged-am launcher jar does not define a main class in its manifest (Hitesh Shah via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1460846 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-274-trunk-gd