Merge pull request #1611 from edx/create-course-data-dir

Create course data dir

playbooks/roles/edxapp/tasks/main.yml

@@ -26,6 +26,7 @@
     - "{{ edxapp_theme_dir }}"
     - "{{ edxapp_staticfile_dir }}"
     - "{{ edxapp_course_static_dir }}"
+    - "{{ edxapp_course_data_dir }}"
 
 # This is a symlink that has to exist because
 # we currently can't override the DATA_DIR var