YARN-1274. Fixed NodeManager's LinuxContainerExecutor to create user, app-dir and log-dirs correctly even when there are no resources to localize for the container. Contributed by Siddharth Seth.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1529555 13f79535-47bb-0310-9956-ffa450edef68