Adds scoped queries that work over collections + communities.  Just need to make them work over the 'fake' smart collections that exist attached to communities now.
Updates the scoped search box to have appropriate placeholder text and no extra Search button, which was ugly.
Update calls to ActiveFedora::SolrService.query that are expected to return n results to not truncate after the first ten.
Set hidden form value for catalog controller in case of smart collection
Adds support for scoped search of smart collections within Communities.