… package searches by filtering in terms of PackageRegistrations, not Packages, and thereby optimizing the SQL queries. Also adding a webpage for searching curated feeds, for debugging purposes only since nothing links to it.

… some query results.

…ratedFeedService abstraction for mocking. That service doesn't feel so bad, but the test does feel a bit contrived.

…d keys in the Lucene Index and using that for filtering the search results instead of hitting the database and merging lists.

…. This will move over to a SQL script in NuGetOperations.

…ness.Down()