MAPREDUCE 5874. Creating MapReduce REST API section. Contributed by Tsuyoshi Ozawa

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1595265 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5809. Enhance distcp to support preserving HDFS ACLs. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1595283 13f79535-47bb-0310-9956-ffa450edef68