Expand layout to include nav bar
Add styling and sign up link
Add bootstrap-sass gem
Add spacing and universal styling
Add styling for typography
Add styling for header
Move IE shim to parital
Move nav bar to partial
Add partial for footer
Add styling for footer
Refactor css
Update routes

*Make static_pages#home the root route
*Add match to other routes
Make links work in header and footer
Refactor specs
Generate UsersController
Generate integration tests for Users
Add route and initial content for users#new

*Add specs
*Update signup link on static_pages#home view