HDFS-4947 Add NFS server export table to control export by hostname or IP range. Contributed by Jing Zhao

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517040 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5478. TeraInputFormat unnecessarily defines its own FileSplit subclass (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517046 13f79535-47bb-0310-9956-ffa450edef68
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/trunk@1517073 13f79535-47bb-0310-9956-ffa450edef68
YARN-905. Add state filters to nodes CLI (Wei Yan via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517083 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5475. MRClientService does not verify ACLs properly. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517085 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-260-trunk-gd