Add .ruby-version to use 2.0.0
Add some debug information to the layout
Add a users resource
Update Gemfile
Add a test for a profile page

Start using FactoryGirl
Redefine the Bcrypt cost factor in a test environment
Add a Gravatar image and a sidebar
Add Singup form
Signup failure
Redirect after create a user
Add flash messages
Merge pull request #5 from takatoshiono/sign-up

Chapter 7. Sign up