Cleaned up and improved the UI to match the mock-up. Removed the "buy this on amazon" link

- [app/templates/recommendedBook.html]
Changed header completely to match mock-up
Changed classes and ids to use hyphens instead of camel case

- [app/templates/shared/header.html]
Changed fonts being used

- [public/css/site.css]
Cleaned up the css as well as added what's necessary for the header

- [public/js/site.js]
Updated to reflect change of ids to use hyphens