Updated change log

Added new changes in Mistletoe sprint to change log.

docs/course_authors/source/change_log.rst

@@ -8,10 +8,14 @@ Change Log
 ==============  ================================================================
      DATE       CHANGE
 ==============  ================================================================
-12/05/2013	Complete revision of edX Studio documentation and integration 
+01/01/2014      Updated the chapters :ref:`Organizing Your Course Content` and 
+                :ref:`Testing Your Course` to reflect changes in the Course Outline design.
+01/01/2014      Updated the topic :ref:`Add Files to a Course` to reflect addition of
+                pagination to the Files & Uploads page.
+12/10/2013      Added the appendix :ref:`MathJax in Studio`.  
+12/11/2013      Added the chapter :ref:`Guidelines for Creating Accessible Content` 
+12/12/2013      Added the edX :ref:`Glossary`    
+12/05/2013	    Complete revision of edX Studio documentation and integration 
                 of edX101 content.
-12/10/2013      Added MathJax appendix   
-12/11/2013      Added Accessibility chapter   
-12/12/2013      Added Glossary    
 ==============  ================================================================