Add highlighting back in

lms/static/coffee/src/discussion/content.coffee

@@ -429,13 +429,13 @@ if Backbone?
 
     display_body: ->
       if @has("highlighted_body")
-        @get("highlighted_body")
+        String(@get("highlighted_body")).replace(/<highlight>/g, '<mark>').replace(/<\/highlight>/g, '</mark>')
       else
         @get("body")
 
     display_title: ->
       if @has("highlighted_title")
-        @get("highlighted_title")
+        String(@get("highlighted_title")).replace(/<highlight>/g, '<mark>').replace(/<\/highlight>/g, '</mark>')
       else
         @get("title")
 

lms/static/coffee/src/discussion/views/discussion_thread_list_view.coffee

@@ -64,9 +64,7 @@ class @DiscussionThreadListView extends Backbone.View
         url: url
         type: "GET"
         success: (response, textStatus) =>
-          console.log textStatus
           if textStatus == 'success'
             @collection.reset(response.discussion_data)
-            console.log(@collection)
 
     @delay(callback, 300)

lms/static/coffee/src/discussion/views/discussion_thread_view.coffee

@@ -6,6 +6,7 @@ class @DiscussionThreadView extends Backbone.View
   template: _.template($("#thread-template").html())
 
   render: ->
+    console.log(@model)
     @$el.html(@template(@model.toJSON()))
     @model.bind "change", @updateModelDetails
     if window.user.following(@model)
@@ -24,7 +25,7 @@ class @DiscussionThreadView extends Backbone.View
 
   convertMath: ->
     element = @$(".post-body")
-    element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+    element.html DiscussionUtil.postMathJaxProcessor(element.html())
     MathJax.Hub.Queue ["Typeset", MathJax.Hub, element.attr("id")]
 
   renderResponses: ->