YARN-2393. FairScheduler: Add the notion of steady fair share. (Wei Yan via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1619852 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-6044. Fully qualified intermediate done dir path breaks per-user dir creation on Windows. Contributed by Zhijie Shen.
svn merge --ignore-ancestry -c 1619863 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1619864 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6829: Merging r1619882 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1619883 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10998. Fix bash tab completion code to work (Jim Hester via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1619888 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5130.  Fix mapred-default.xml after bad merge.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1619930 13f79535-47bb-0310-9956-ffa450edef68