Merge pull request #55 from FranklinChen/master

Fixed a few typos etc.
s/book-contrib/recipes
Updated book/Models.markdown to require 'data_mapper' instead of 'datamapper'
Merge pull request #57 from jeffharrington/patch-1

Updated Models.markdown to require 'data_mapper' instead of 'datamapper'
README -> mini-markdown
book-contrib is now recipes
first take of book rebuild
fix toc renderer
* build and download pdf from app
* style for app
* separate style for pdf
* remove old logo, use sinatra/resources logo
* use fileutils.rb for mkdir_p
* separate toc, content, header methods
* vendor wkhtmltopdf static binary
use print.css, add favicon
update readme, add config.ru
Gemfile.lock required for heroku
Tweak a code example about rendering templates in subdirs
Tweak the Templating section about Tilt templates.
Linewrapping in templates, no content change
Whitespace cleanup, no content change
Start fleshing out Organizing_your_application
Change code blocks to use triple-backtick form, including noting ruby where appropriate
Corrected small grammatical error

Fixed the line "a way for you too hook into" with "a way for you to hook into".
Merge pull request #60 from tedlee/master

Fixed small grammatical error