Revert "Chapter 9"

This reverts commit 2f65ad5bd67e482dbc67fa66babb2fe7da608fcc.

Conflicts:
	app - Copy/views/articles/_comment.html.erb
	app - Copy/views/users/index.html.erb
	app - Copy/views/users/index.json.jbuilder
	app - Copy/views/users/show.html.erb
	app - Copy/views/users/show.json.jbuilder
	app/views/articles/_comment.html.erb
	app/views/users/index.html.erb
	app/views/users/index.json.jbuilder
	app/views/users/show.html.erb
	app/views/users/show.json.jbuilder
	app_bad/assets/javascripts/application.js
	app_bad/assets/javascripts/articles.js.coffee
	app_bad/assets/javascripts/comments.js.coffee
	app_bad/assets/javascripts/sessions.js.coffee
	app_bad/assets/javascripts/users.js.coffee
	app_bad/assets/stylesheets/application.css
	app_bad/assets/stylesheets/articles.css.scss
	app_bad/assets/stylesheets/comments.css.scss
	app_bad/assets/stylesheets/scaffolds.css.scss
	app_bad/assets/stylesheets/sessions.css.scss
	app_bad/assets/stylesheets/users.css.scss
	app_bad/controllers/application_controller.rb
	app_bad/controllers/articles_controller.rb
	app_bad/controllers/comments_controller.rb
	app_bad/controllers/sessions_controller.rb
	app_bad/controllers/users_controller.rb
	app_bad/helpers/application_helper.rb
	app_bad/helpers/articles_helper.rb
	app_bad/helpers/comments_helper.rb
	app_bad/helpers/sessions_helper.rb
	app_bad/helpers/users_helper.rb
	app_bad/models/article.rb
	app_bad/models/category.rb
	app_bad/models/comment.rb
	app_bad/models/profile.rb
	app_bad/models/user.rb
	app_bad/views/articles/_article.html.erb
	app_bad/views/articles/_comment.html.erb
	app_bad/views/articles/_form.html.erb
	app_bad/views/articles/edit.html.erb
	app_bad/views/articles/index.html.erb
	app_bad/views/articles/index.json.jbuilder
	app_bad/views/articles/new.html.erb
	app_bad/views/articles/show.html.erb
	app_bad/views/articles/show.json.jbuilder
	app_bad/views/comments/_comment.html.erb
	app_bad/views/comments/create.js.erb
	app_bad/views/comments/destroy.js.erb
	app_bad/views/comments/fail_create.js.erb
	app_bad/views/comments/new.html.erb
	app_bad/views/comments/new.js.erb
	app_bad/views/layouts/application.html.erb
	app_bad/views/sessions/new.html.erb
	app_bad/views/users/_form.html.erb
	app_bad/views/users/edit.html.erb
	app_bad/views/users/index.html.erb
	app_bad/views/users/index.json.jbuilder
	app_bad/views/users/new.html.erb
	app_bad/views/users/show.html.erb
	app_bad/views/users/show.json.jbuilder

Chapter 9

Chapter 9, Book code applied again after testing.
Everything
ok again.