YARN-288. Fair scheduler queue doesn't accept any jobs when ACLs are configured. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428362 13f79535-47bb-0310-9956-ffa450edef68
YARN-300. After YARN-271, fair scheduler can infinite loop and not schedule any application. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428387 13f79535-47bb-0310-9956-ffa450edef68
YARN-301. Fair scheduler throws ConcurrentModificationException when iterating over app's priorities. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428400 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4279. getClusterStatus() fails with null pointer exception when running jobs in local mode (Devaraj K via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428482 13f79535-47bb-0310-9956-ffa450edef68