YARN-253. Fixed container-launch to not fail when there are no local resources to localize. Contributed by Tom White.
svn merge --ignore-ancestry -c 1430269 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1430270 13f79535-47bb-0310-9956-ffa450edef68