MAPREDUCE-5199. Removing ApplicationTokens file as it is no longer needed. Contributed by Daryn Sharp.
svn merge --ignore-ancestry -c 1492848 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1492849 13f79535-47bb-0310-9956-ffa450edef68
HDFS-2572. Merge r1204177 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1492876 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4019. -list-attempt-ids is not working. Contributed by Ashwin Shankar, Devaraj K, and B Anil Kumar


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1492877 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
Merge remote branch 'origin/branch-2-gd' into fb-YAHOO-253-branch-2-gd