YARN-1041. Added the ApplicationMasterProtocol API for applications to use the ability in ResourceManager to optionally not kill containers when the ApplicationMaster exits. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1557318 13f79535-47bb-0310-9956-ffa450edef68
YARN-1566. Changed Distributed Shell to retain containers across application attempts. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1557322 13f79535-47bb-0310-9956-ffa450edef68