Fix MathJax in sequentials

common/lib/xmodule/xmodule/js/src/sequence/display.coffee

@@ -85,7 +85,7 @@ class @Sequence
       @$('#seq_content').html @contents.eq(new_position - 1).text()
       XModule.loadModules('display', @$('#seq_content'))
 
-      MathJax.Hub.Queue(["Typeset", MathJax.Hub])
+      MathJax.Hub.Queue(["Typeset", MathJax.Hub, "seq_content"]) # NOTE: Actually redundant. Some other MathJax call also being performed
       @position = new_position
       @toggleArrows()
       @hookUpProgressEvent()

lms/templates/seq_module.html

@@ -22,7 +22,7 @@
   </nav>
 
   % for item in items:
-  <div class="seq_contents">${item['content'] | h}</div>
+  <div class="seq_contents tex2jax_ignore">${item['content'] | h}</div>
   % endfor
   <div id="seq_content"></div>