Made the "edit deck" button smaller.
Playing a bit with the page header thingie
Added the django-registration app.

Added the django-registration app to be able to create users frome
somewhere else than the admin interface.
Lazily creates user profiles.

The system is now able to lazily create user profiles. The user profile
is created when someone tries to visit it and there is none.
Made a better signup form
Added the option to sign up to the homepage.
Working on the look and feel of the signup.
Added the close buttons to card list in deck editor
Changed a bit the homepage