sunny - Add uploader images to articles

	modified:   app/assets/javascripts/application.js
	new file:   app/assets/javascripts/images.js.coffee
	new file:   app/assets/stylesheets/images.css.scss
	modified:   app/controllers/articles_controller.rb
	new file:   app/controllers/images_controller.rb
	new file:   app/helpers/images_helper.rb
	modified:   app/models/article.rb
	new file:   app/models/concerns/image_version.rb
	new file:   app/models/image.rb
	new file:   app/uploaders/base_uploader.rb
	new file:   app/uploaders/img_uploader.rb
	modified:   app/views/articles/_form.html.erb
	modified:   app/views/articles/index.html.erb
	modified:   app/views/articles/show.html.erb
	new file:   app/views/images/_form.html.erb
	new file:   app/views/images/edit.html.erb
	new file:   app/views/images/index.html.erb
	new file:   app/views/images/index.json.jbuilder
	new file:   app/views/images/new.html.erb
	new file:   app/views/images/show.html.erb
	new file:   app/views/images/show.json.jbuilder
	modified:   config/routes.rb
	new file:   db/migrate/20141030064956_create_images.rb
	new file:   db/migrate/20141030065121_add_img_to_images.rb
	new file:   db/migrate/20141030072809_add_article_id_to_images.rb
	new file:   db/migrate/20141030074138_add_is_cover_to_images.rb
	modified:   db/schema.rb
Merge branch 'dev' of github.com:lipin/Sunny_storm into dev