Added debug information to pages in the development environment.
Added resources: users REST routes and added a users show page.
Added tests to the show user page, automated test user creation with FactoryGirl, made bcrypt faster in the test environment.
Added a gravatar image to the user show page and formatted the page to a sidebar.
Added tests to the signup page
Added functionality to the signup form and formatted it.
User creation works (form now checks for invalid inputs and displays error messages).
Added a flash message that welcomes new users to the site after registration.
Added SSL requirement to production.