Fix render template to use edxmako instead of mitxmako.

playbooks/roles/edxapp/defaults/main.yml

@@ -234,7 +234,7 @@ edxapp_generic_auth_config:  &edxapp_generic_auth
         host: $EDXAPP_MONGO_HOSTS
         password:  $EDXAPP_MONGO_PASSWORD
         port: $EDXAPP_MONGO_PORT
-        render_template:  'mitxmako.shortcuts.render_to_string'
+        render_template:  'edxmako.shortcuts.render_to_string'
         # Needed for the CMS to be able to run update_templates
         user: $EDXAPP_MONGO_USER
       DOC_STORE_CONFIG: *edxapp_generic_default_docstore
@@ -349,7 +349,7 @@ lms_auth_config:
               host: $EDXAPP_MONGO_HOSTS
               db: $EDXAPP_MONGO_DB_NAME
               collection: 'modulestore'
-              render_template: 'mitxmako.shortcuts.render_to_string'
+              render_template: 'edxmako.shortcuts.render_to_string'
               user: $EDXAPP_MONGO_USER
               password: $EDXAPP_MONGO_PASSWORD
               port: $EDXAPP_MONGO_PORT