Added endorsement and thread_type fields

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

@@ -11,6 +11,10 @@ Change Log
 
    * - Date
      - Change
+   * - 09/02/14
+     - Updated the :ref:`Discussion Forums Data` chapter to include the
+       ``thread_type`` field for CommentThreads and the ``endorsement`` field
+       for Comments.
    * - 08/25/14
      - Removed information on course grading. See `Establishing a Grading
        Policy <http://edx.readthedocs.org/projects/edx-partner-course-

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

@@ -300,6 +300,13 @@ title
 --------------------
   Title of the thread. UTF-8 string.
 
+--------------------
+thread_type
+--------------------
+  Identifies the type of post as a "question" or "discussion".  
+
+  **History**: Added 12 Aug 2014.
+
 ********************
 Comment Fields
 ********************
@@ -326,7 +333,24 @@ historical_abuse_flaggers
 --------------------
 endorsed
 --------------------
-  Boolean value, true if a forum moderator or instructor has marked that this ``Comment`` is a correct answer for whatever question the thread was asking. Exists for Comments that are replies to other Comments, but in that case ``endorsed`` is always false because there's no way to endorse such comments through the UI.
+  Boolean value. True if a forum moderator has marked this response to a
+  ``CommentThread`` with a ``thread_type`` of "discussion" as a valuable
+  contribution, or if a forum moderator or the originator of a
+  ``CommentThread`` with a ``thread_type`` of "question" has marked this
+  response as the correct answer.
+
+  The ``endorsed`` field is present for comments that are made as replies to
+  responses, but in these cases the value is always false: the user interface
+  does not offer a way to endorse comments.
+
+--------------------
+endorsement
+--------------------
+  Contains ``time`` and ``user_id`` fields for the date and time that this
+  response to a post was endorsed and the numeric user ID (from
+  ``auth_user.id``) of the person who endorsed it.
+
+  **History**: Added 12 Aug 2014.
 
 --------------------
 comment_thread_id

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

@@ -215,7 +215,12 @@ on the server. The values in this field are:
 
 **Type:** string
 
-**Details:** The type of event triggered. Values depend on ``event_source``. 
+**Details:** The type of event triggered. Values depend on ``event_source``.
+
+The :ref:`Student_Event_Types` and :ref:`Instructor_Event_Types` sections in
+this chapter provide descriptions of each type of event that is included in
+data packages. To locate information about a specific event type, see the
+:ref:`event_list`.
 
 ===================
 ``host`` Field
@@ -2589,4 +2594,4 @@ members also generate enrollment events.
 For details about the enrollment events, see :ref:`enrollment`.
 
 
-.. _Creating a Peer Assessment: http://edx.readthedocs.org/projects/edx-open-response-assessments/en/latest/
\ No newline at end of file
+.. _Creating a Peer Assessment: http://edx.readthedocs.org/projects/edx-open-response-assessments/en/latest/