Add a StaticPages controller

$ rails generate controller StaticPages home help --no-test-framework
Generate an integration test for our static pages

$ rails generate integration_test static_pages
Add the Capybara DSL to the RSpec helper file
Write a failing test and get the test to pass

Test the contents of the Home page, Help page and About page.
Add the about route, an about action in the StaticPages controller and
the about view.
Make page titles that change on each page