Added a StaticPages controller.
Created test for StaticPages.
Filled in home page to pass test.  Made test for the help page.
Wrote code to pass help test.
Added test for the About Us page.
Added code to pass About Us test.
Made test for page Title content.  Almost moved app/views/layouts/application.html.erb to foobar, as per the tutorial.
Wrote code to pass title content tests.
Brought back app/views/layouts/application.html.erb and cleaned up Home, Help, and About Us view pages to follow the Don't Repeat Yourself (DRY) principle.