YARN-1719. Fixed the root path related Jersey warnings produced in ATSWebServices. Contributed by Billie Rinaldi.
svn merge --ignore-ancestry -c 1567498 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1567502 13f79535-47bb-0310-9956-ffa450edef68