Install bcrypt gem
Generate User scaffold and migrate the database
Enforce email uniqueness in rails and at database level
Add annotate gem, annotate User model
Generate StaticPages controller
Setting up static pages before implementing sign-in
Add Bootstrap, comment out all scaffold CSS, route to home page
Redirect 'home' link to home, 'sign up' button to users#new
Create signup route, redirect to it
Implement user creation with secure password
Remove superfluous 'home' link, add debug info to pages
Create new users when signing up, show errors
Show stylized flash message after signing up
User can sign up