YARN-737. Throw some specific exceptions directly instead of wrapping them in YarnException. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491896 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9625. HADOOP_OPTS not picked up by hadoop command. Contributed by Paul Han

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491907 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5315.  DistCp reports success even on failure. (mithun and jlowe via daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491914 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5315.  DistCp reports success even on failure. (mithun and jlowe via daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491917 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9635. Fix potential stack overflow in DomainSocket.c (V. Karthik Kumar via cmccabe)



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491927 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd