Updated seed file

Added four users and two decks. NOTE: When creating a user, use :password
because BCrypt takes care of the :password_digest
Reformatted select deck page
Cleaned up presentation of question.erb and results.erb view pages
Added minimal styling
Added redirect to scores page
fucked some shit up...
Merge pull request #5 from Joe11000/colleen_doing_stuff

Colleen doing stuff