Change log now lists one section for June

docs/en_us/course_authors/source/change_log.rst

@@ -3,6 +3,23 @@ Change Log
 ############
 
 ***********
+June, 2014
+***********
+
+.. list-table::
+   :widths: 10 70
+   :header-rows: 1
+
+   * - Date
+     - Change
+   * - 06/06/14   
+     - Added a description of email task workflow states to the :ref:`Launch`
+       section.
+   * - 06/03/14   
+     - Added :ref:`gradebook` to the :ref:`Grades` section.
+       
+
+***********
 May, 2014
 ***********