YARN-677. Increase coverage to FairScheduler (Vadim Bondarev and Dennis Y via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528524 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5530. Fix compat with hadoop-1 in mapred.lib.CombinFileInputFormat by re-introducing isSplittable(FileSystem, Path) api and ensuring semantic compatibility. Contributed by Robert Kanter.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528533 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9254. Cover packages org.apache.hadoop.util.bloom, org.apache.hadoop.util.hash. Contributed by Vadim Bondarev


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528620 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5459. Update documentation on how to run MRv1 examples on YARN. Contributed by Zhijie Shen.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528626 13f79535-47bb-0310-9956-ffa450edef68
YARN-1141. Updating resource requests should be decoupled with updating blacklist (Zhijie Shen via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528632 13f79535-47bb-0310-9956-ffa450edef68