MAHOUT-1329: Mahout for Hadoop 2.x

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1569900 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1329: reverting back the last change

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1570023 13f79535-47bb-0310-9956-ffa450edef68