Fix capitalization requirement for team's schedule page.
Add URL builder for season links and season dropdown with links.
Change opacity of container on games#index.
Change images on home#index to image_tag's so they look in assets.
Resize games image, add players/goalies images, and styling on home#index page.
Add Favorite model (polymorphic) and remove team/player/goalie favorites models/tables.
Remove other favorites controllers.
Fix associations between goalies/players/teams/users and favorites.
Change routes to match new favorites functionality.
Add favorites controller and favorite/unfavorite button functionality for all.