* add HTML_QuickForm2_Renderer_Smarty
 * comment out require_once
 * let autoloaders try loading class first - http://pear.php.net/bugs/bug.php?id=17568
 * HTML_QuickForm_Node - http://pear.php.net/bugs/17557



git-svn-id: http://dev.piwik.org/svn/trunk@2437 59fd770c-687e-43c8-a1e3-f5a4ff64c105