Refactoring of Lucene product indexing: separated logic that is product specific from indexing logic that is independent from products; in this way it will be easy to index other content or customize the existing one, by implementing new LuceneDocument classes.


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1532241 13f79535-47bb-0310-9956-ffa450edef68