MAPREDUCE-5478. TeraInputFormat unnecessarily defines its own FileSplit subclass (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1517054 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4947. Merging change r1517049 from branch-2

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1517062 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1517073 FIXES: YARN-707. Add user info in the YARN ClientToken. Contributed by Vinod Kumar Vavilapalli


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1517078 13f79535-47bb-0310-9956-ffa450edef68