Merge pull request #4400 from edx/ahodges/documentation/DOC591

Adds sample student communications (email msgs)

docs/en_us/course_authors/source/change_log.rst

@@ -13,6 +13,8 @@ July, 2014
 
    * - Date
      - Change
+   * - 07/22/14
+     - Added :ref:`Example Messages to Students` to the :ref:`Launch` chapter.
    * - 07/15/14
      - Added the :ref:`Discussions for Students and Staff` chapter.
    * - 07/11/14

docs/en_us/course_authors/source/running_course/checking_student_progress.rst

@@ -5,6 +5,9 @@ Assign Final Grades and Issue Certificates
 ###################################################
 .. This chapter will be renamed and expanded to include course wrap-up activities and best practices.
 
+As you prepare for the end of your course, you can send students a :ref:`course
+farewell<Course Farewell and Certificates>` email message.
+
 To assign a final grade to each student enrolled in a course, you generate
 grades after the **Course End Date** and **Time** have passed. See
 :ref:`Access_grades`.