Add twitter bootstrap framework
Add typography css
Add logo css
Extract _header partial from application layout
Add _shim partial
Add footer
Modify custom.css.scss to use scss features
Modify tests to use named routes
Simplify routes
Remove DRb option from rspec config
Apply named routes to links in footer and header
Simplify tests
Generate Users controller
Add tests for Users controller
Add route for signup page
Modify title and content of signup page to pass tests
Add link to signup page on home page