MAPREDUCE-4693. Historyserver should provide counters for failed tasks. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450956 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9339. IPC.Server incorrectly sets UGI auth type. Contributed by Daryn Sharp

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450963 13f79535-47bb-0310-9956-ffa450edef68
Typo in CHANGES.txt for HADOOP-9339

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450970 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HDFS-4311-trunk-gd