To add/remove/replace searchers:

1. Add searcher gems (see README for list of gems) to your project's Gemfile
2. Add a theme gem to Gemfile (see README)
3. Add the searchers/theme to quick_search_config.yml
4. Add render_module calls to search results view for each searcher

For more information, see README and other documentation at http://github.com/ncsu-libraries/quick_search/