Added "queries" contrib module for various new query/filter classes. This area is also intended to consolidate existing query classes so have moved a copy of MoreLikeThis into here. Probably need to remove "similarity" module as a result, if no one objects.
git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@380874 13f79535-47bb-0310-9956-ffa450edef68
Mark Harwood