Create writable media dir on local filesystem

playbooks/roles/edxapp/tasks/main.yml

@@ -52,6 +52,7 @@
   with_items:
     - "{{ edxapp_course_data_dir }}"
     - "{{ edxapp_upload_dir }}"
+    - "{{ edxapp_media_dir }}"
 
 # adding chris-lea nodejs repo
 - name: add ppas for current versions of nodejs