MAPREDUCE-5317. Stale files left behind for failed jobs. Contributed by Ravi Prakash


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1503499 13f79535-47bb-0310-9956-ffa450edef68
YARN-521. Augment AM - RM client module to be able to request containers only at specific locations (Sandy Ryza via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1503526 13f79535-47bb-0310-9956-ffa450edef68
YARN-523. Modified a test-case to validate container diagnostics on localization failures. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1503532 13f79535-47bb-0310-9956-ffa450edef68
Trivial fix for minor refactor error for YARN-521

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1503543 13f79535-47bb-0310-9956-ffa450edef68