MAHOUT-1250 Deprecate unused algorithms

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1492837 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1250 Deprecate unused algorithms

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1492842 13f79535-47bb-0310-9956-ffa450edef68