add article controller but not complete upload func
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#	modified:   .idea/workspace.xml
#	new file:   app/controllers/ArticleController.php
#	modified:   app/controllers/HomeController.php
#	modified:   app/filters.php
#	modified:   app/models/Article.php
#	modified:   app/models/User.php
#	modified:   app/routes.php
#	modified:   app/views/header.blade.php
#	modified:   app/views/home.blade.php
#	modified:   public/css/bootstrap.css
#	new file:   public/css/home.css
#	modified:   public/js/header.js
#	new file:   public/js/home.js
#	deleted:    public/js/index.js
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