update TODO list
move class container from ember's surrounding div tag to application layout's body tag
create new layout for pages without ember.js (named "devise" so devise views use it automatically
create devise.js (doesn't require ember files) for use in devise layout
fix typo on test page (minor)
apply devise layout to authentications controller
create current_user_controller.js
create currentUser initializer (may need to be moved to /assets/javascripts/initializers)
correct method isSignedIn in current_user_controller
create user serializer (preliminary implementation)