Create User model and controller

rails g resource user email password_digest (http://railscasts.com/episodes/250-authentication-from-scratch-revised?view=asciicast)
Add gem bycrypt-ruby

Supports password_digest column (see Rails Cast on Authentication from scratch)
Create Routes for User

This was created automatically with rails g command to create user model and controller (we just forgot to add it to the commit)
Create User model

We added has_secure_password which adds some simple authentication support to the model.
We also added several validations.
Create Users Controller

Our flash message "Zank u for signing up" isn't working yet (if u successfully create a new user).
Create form partial
Add new view
Here we render the form partial.
Add correct path to sign in button