YARN-1625. Fixed RAT warnings after YARN-321 merge. Contributed by Shinichi Yamashita.
svn merge --ignore-ancestry -c 1561458 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1562225 13f79535-47bb-0310-9956-ffa450edef68