YARN-806. Moved ContainerExitStatus from yarn.api to yarn.api.records. Contributed by Jian He.
svn merge --ignore-ancestry -c 1493138 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1493141 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4783. Merging change r1493151 from branch-2 to branch-2.1-beta

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1493153 13f79535-47bb-0310-9956-ffa450edef68
YARN-803. factor out scheduler config validation from the ResourceManager to each scheduler implementation. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1493162 13f79535-47bb-0310-9956-ffa450edef68