YARN-2208. AMRMTokenManager need to have a way to roll over AMRMToken. Contributed by Xuan Gong


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1611819 13f79535-47bb-0310-9956-ffa450edef68
YARN-2244. FairScheduler missing handling of containers for unknown application attempts. (Anubhav Dhoot via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1611841 13f79535-47bb-0310-9956-ffa450edef68