Add #likes and #dislikes actions to Restaurant
Add #like and #dislike actions to RestaurantsController
Modify behaviour of PreferencesController#destroy to redirect back to RestaurantsController#index
Add a button group partial for like/dislike/edit of Restaurants
Clean up named scopes for Preference
Cleanup preferences_btn_group partial
Merge pull request #16 from errinlarsen/restaurant_centered_design

Restaurant centered design