Finish 7.1.1 Debug and Rails environments
Finish 7.1.2 A Users resource
Finish 7.1.3 Testing the user show page (with factories)
Finish 7.1.4 A Gravatar image and a sidebar
Finish 7.2.1 Tests for user signup
Finish 7.2.2 Using form_for
Finish 7.3.1 A working form
Finish 7.3.2 Signup error messages
Finish 7.4.2 The flash