new file:   app/assets/javascripts/sessions.js.coffee
	modified:   app/assets/stylesheets/application.css
	modified:   app/assets/stylesheets/bootstrap.min.css
	new file:   app/assets/stylesheets/sessions.css.scss
	modified:   app/controllers/application_controller.rb
	new file:   app/controllers/sessions_controller.rb
	new file:   app/helpers/sessions_helper.rb
	modified:   app/views/layouts/_header.html.erb
	modified:   app/views/layouts/application.html.erb
	new file:   app/views/sessions/new.html.erb
	modified:   config/routes.rb
	new file:   db/migrate/20140627083108_add_remember_token_to_users.rb
	modified:   db/schema.rb
	modified:   spec/models/user_spec.rb
	new file:   spec/requests/authentication_pages_spec.rb
Finish chapter 8