Convert to PHP 5 only codebase, adding visibility modifiers to all members and methods in the main library area (function only for test methods)

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1458 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/ConfigDef.php

@@ -4,6 +4,6 @@
  * Base class for configuration entity
  */
 class HTMLPurifier_ConfigDef {
-    var $class = false;
+    public $class = false;
 }