Merge pull request #5493 from edx/ahodges/doc/nochanges

Consequences of changing configuration

docs/en_us/course_authors/source/change_log.rst

 ############
 Change Log
 ############
+
+       
+*****************
+October, 2014
+*****************
+
+.. list-table::
+   :widths: 10 70
+   :header-rows: 1
+
+   * - Date
+     - Change
+   * - 10/7/14
+     - Added the :ref:`Including Student Cohorts` chapter.
        
 *****************
 September, 2014

docs/en_us/data/source/internal_data_formats/change_log.rst

@@ -4,10 +4,19 @@
 Change Log
 ###########
 
-.. **********************
-.. October-December 2014
-.. **********************
+**********************
+October-December 2014
+**********************
 
+.. list-table::
+   :widths: 10 70
+   :header-rows: 1
+
+   * - Date
+     - Change
+   * - 10/07/14
+     - Added new student and instructor events relating to cohort use to the
+       :ref:`Tracking Logs` chapter.
 
 **********************
 July-September 2014