Fix XMLRPC getPosts() with WordPress 4.4

Must supply an array of fields to retrieve when using WP 4.4.
The default null value supplied by the wordpress npm module
no longer works.

courseWP.js

@@ -2,7 +2,7 @@
 /* jshint node: true, multistr: true, trailing: true, esnext: true */
 "use strict";
 
-const VERSION = '0.11.3',
+const VERSION = '0.11.4',
       JQUERY = 'http://code.jquery.com/jquery-2.1.1.min.js',
       FILEPATH = '/home/www/www';
 
@@ -728,7 +728,7 @@ function getOutline() {
             }
           }
 
-          wp.getPosts({post_type: 'page', number: 200}, function(err, data) {
+          wp.getPosts({post_type: 'page', number: 200}, ['post_id'], function(err, data) {
               if (err) {
                 console.log(err);
                 process.exit(8);