Updated Home link to clear all search facets
add 'require factory_girl_rails' to the spec_helper, fixes most tests
add Google analytics and update sufia code to use the new Google code
add Work/Collection as a visible facet in the application. Still needs to show all values when solr_params[:fq] = []
Merge pull request #7 from KelvinSmithLibrary/collection-order

Updates rspec for dependency, adds Google Analytics, Clicking home clears all facets, and adds type as a facet