generating User model
adding annotation to user model
spec'ing user model
adding validators to user mdoel
adding a unique index on email to user model
callback to user model in order to downcase the email
adding column password_digest to users table
spec'ing password authentication
spec'ing passwords
making password specs pass
resolving exercices part 6
adding debug info to dev env
adding user ressources
adding factory girl gem + spec'ing profile
refactoring profile specs
speed up tests by lowering BCrypt's cost fucntion
user page with gravatar
spec'ing signup
refcatoring signup specs
some form styles