Merge pull request #1485 from MITx/fix/kevin/code_show_lt_and_gt

fix showing less than and greater than in code

common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee

@@ -50,7 +50,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".post-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     renderResponses: ->

common/static/coffee/src/discussion/views/discussion_thread_show_view.coffee

@@ -47,7 +47,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".post-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     toggleVote: (event) ->

common/static/coffee/src/discussion/views/response_comment_show_view.coffee

@@ -26,7 +26,7 @@ if Backbone?
 
     convertMath: ->
       body = @$el.find(".response-body")
-      body.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight body.html()
+      body.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight body.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, body[0]]
 
     markAsStaff: ->

common/static/coffee/src/discussion/views/thread_response_show_view.coffee

@@ -30,7 +30,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".response-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     markAsStaff: ->