MAHOUT-1312: LocalitySensitiveHashSearch does not limit search results

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1546758 13f79535-47bb-0310-9956-ffa450edef68
MAHOUT-1312: Removed import * and replaced by explicit imports

git-svn-id: https://svn.apache.org/repos/asf/mahout/trunk@1546765 13f79535-47bb-0310-9956-ffa450edef68