Chapter scaffold
Cocoon, Chaptership and nested fields
Basic styles
Paperclip and default images
Nested resources
Book block layout
Book block layout
Doc Versioning
Can can
Autogrow
Fix model validation / nested form values
D3 gem + Chapter Map
Merge branch 'refs/heads/feature/community' into develop

Conflicts:
	app/views/books/index.html.erb
Capistrano/Deploy settings