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
MAHOUT-1329: Mahout for hadoop 2

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1571637 13f79535-47bb-0310-9956-ffa450edef68
CHANGELOG entry for 1329

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1571674 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1419: Random decision forest is excessively slow on numeric features

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1571704 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1419: Add example shell scripts for testing Random Forests

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1572878 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1429 Parallelize YtransposeY in ImplicitFeedbackAlternatingLeastSquaresSolver

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1573773 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' into dev-1.0-spark
Merge branch 'dev-1.0-spark' of github.com:dlyubimov/mahout-commits into dev-1.0-spark
WIP
removing explicit Writable view requiremet.
removing excessive imports