Release the fixing of the Navbar
Book title move to content area. Add help to navbar.
Raw use inde.haml
Increase the #book-title
Jump to the search_book_home page when you search in the raw page
Add the .header.title and Remove the #book-title
Add the .header.info
Add .content
Add .content.page
Extract render_page()
Remove extra </div>
Raw rendering tag is changed from <pre> to <div>
Tweak background color
Rename from 'raw' to 'text'
Add border-color