use ace-builds via bower

removed screen in install script
not longer forwarding port 80 in vagrantfile

realms/templates/wiki/edit.html

@@ -40,7 +40,7 @@
     };
 
 </script>
-<script src="{{ url_for('static', filename='js/togetherjs-min.js') }}"></script>
+<script src="https://togetherjs.com/togetherjs-min.js"></script>
 {% endblock %}
 
 {% block body %}