cleanup3

app/assets/javascripts/application.js

@@ -13,6 +13,7 @@
 //= require jquery
 //
 //= require ace/ace
+//= require bootstrap_pagedown
 //= require chosen.jquery.min
 //= require d3
 //= require jquery.turbolinks

app/assets/javascripts/exercises.js

@@ -157,8 +157,8 @@ $(function() {
     } else if ($('.edit_exercise, .new_exercise').isPresent()) {
       execution_environments = $('form').data('execution-environments');
       file_types = $('form').data('file-types');
-     // new MarkdownEditor('#exercise_instructions');
-      //new MarkdownEditor('#exercise_description');
+      // new MarkdownEditor('#exercise_instructions');
+      // new MarkdownEditor('#exercise_description')
       // todo: add an ace editor for each file
       new PagedownEditor('#exercise_description');