Entities now indexed.
Routing working into Notices::Search#index
SearchesController -> Notices::SearchController
Remove unused views and specs
NoticeSearcher -> SearchesModels
SearchesModels accepts a model_class now
EntitiesSearchController, spec refactor.
SearchResultsRouter class, more work on Entity searches.
SearchResultsRouter -> SearchResultsProxy
Implement :search tag, fix viewing_categories_spec.
Full entity attribute serialization.
Simplify result meta info helpers.