Updated configuration for Heroku.
Merge branch 'master' of https://github.com/webcrofting/collisterator
Updated bootstrap.
Updated navigation for bootstrap.
Changed sign in form layout.
Changed user registration and sign in pages to be more readable.
Formatted list_types#index to show different tables based on whether the current user is the admin.
Fixed typo in navigation.
Rewriting form for list_type.
Moved list type form code to collisterator and updated list type form.