Fixed gh-318 so that default and other none database fields will not trigger SQL update and version increment. Fixed gh-317 that had conflict variable naming in the jsonToString helper method. Improved the refresh method for JCB package area.

admin/helpers/compiler/c_Fields.php

@@ -319,13 +319,6 @@ class Fields extends Structure
 	 */
 	public $fieldsNames = array();
 
-	/**
-	 * Default Fields
-	 * 
-	 * @var    array
-	 */
-	public $defaultFields = array('created', 'created_by', 'modified', 'modified_by', 'published', 'ordering', 'access', 'version', 'hits', 'id');
-
 	/**
 	 * Default Fields set to publishing
 	 *