OpenGraph URL fix

Author: olleolleolle

app/views/layouts/application.html.haml

@@ -10,7 +10,7 @@
     %meta{ property: 'og:site_name', content: 'codebar' }
     %meta{ name: 'keywords', content: 'codebar, programming, diversity, html, css, javascript, ruby, python' }
     %meta{ property: 'og:image', content: image_url('logo-square.png') }
-    %meta{ property: 'og:url', content: "https://codebar.io#{url_for(nil)}" }
+    %meta{ property: 'og:url', content: request.original_url }
     %meta{ property: 'og:title', content: 'codebar' }
     %meta{ property: 'og:description', content: 'Making tech more diverse and welcoming by bringing people together and helping teach programming skills.' }
     %meta{ name: 'description', content: 'Making tech more diverse and welcoming by bringing people together and helping teach programming skills.' }