Add pages controller, set root route and create root view
    new file:   app/assets/javascripts/pages.js.coffee
	new file:   app/assets/stylesheets/pages.css.scss
	new file:   app/controllers/pages_controller.rb
	new file:   app/helpers/pages_helper.rb
	new file:   app/views/pages/index.html.haml
	modified:   config/routes.rb
	new file:   spec/controllers/pages_controller_spec.rb
	new file:   spec/helpers/pages_helper_spec.rb