(Missing commit message from the previous commit)
YARN-486. Changed NM's startContainer API to accept Container record given by RM as a direct parameter instead of as part of the ContainerLaunchContext record. Contributed by Xuan Gong.
MAPREDUCE-5139. Update MR AM to use the modified startContainer API after YARN-486. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1467131 13f79535-47bb-0310-9956-ffa450edef68