YARN-2091. Add more values to ContainerExitStatus and pass it from NM to RM and then to app masters (Tsuyoshi OZAWA via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601762 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5834. Increased test-timeouts in TestGridMixClasses to avoid occassional failures. Contributed by Mit Desai.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601764 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6364. Incorrect check for unknown datanode in Balancer. (Contributed by Benoy Antony)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601771 13f79535-47bb-0310-9956-ffa450edef68