Change layout and home
Update Gemfile
Add rails.png
Include Bootstrap
Add CSS for some universal styling applying to all pages
Adding CSS for nice typography
Adding CSS for the site logo
Use partials and add footer
Convert SCSS file to use nesting and variables
Define named routes
Use named routes in 'link_to' functions
Make rspec test pretty
Create a Users controller with a new action
Create a user page test
Add a /signup route
Merge pull request #2 from takatoshiono/filling-in-layout

Chapter5. Filling in layout