Initial commit
Improve the README
Add precompiled assets for Heroku
Add a StaticPages controller
Finish static pages
Exercise: Add contact page to static pages
Add a full_title helper
Add Quiet Assets gem for skinny logs
Finish layout and routes

Update Gemfile
Add precompiled assets for Heroku
Exercise: Add test for the right links on the layout
Exercise: Eliminate need for the full_title test helper
Make a basic User model (including secure passwords)
Exercise: Add a test for the email downcasing
Exercise: Write the before_save callback another way
Finish user signup
Add SSL in production
Add precompiled assets for Heroku
Exercise: Add an optional size parameter to the gravatar_for helper
Exercise: Write tests for the error messages