Added debug box to each page on site
Added show action for users
Added a show user profile page
Added gravatar for user show profile page
Moved show user profile gravatar/name to sidebar with css
Added form for new users, including tests. Note that tests and functionality for actually creating the new user doesn't work yet.
User signup with invalid information now stays on user signup page.
Failed signup now reports error messages.
User creation now redirects to user profile page.
Added a confirmation message for user signup, using a flash variable for the application view.
gravatar_for helper function now takes in optional size parameter in user view (exercise 7.6.1)
Added tests for error messages in signup failure (exercise 7.6.2)
Removed error message for password digest can't be blank
Test that signup actually adds the user to database and returns a page showing that user's profile
Cleaned up flash HTML to use content_tag helper
Add SSL in production