Adding structure to the site layout.
Add signup page link to Home page.
Add bootstrap-sass gem to the Gemfile.
Adding Bootstrap CSS.
Adding CSS for some universal styling applying to all pages.
Adding CSS for nice typography.
Site logo CSS.
Partials for stylesheets (shim) and header.
Partials for footer.
CSS for footer.
Improve styling using nesting and variables (for color).
Finished routes, layout, added users, user signup, and some DRYing of the tests.