/**
* This method initialize Autoload class.
*
* It defines method to call to find given class and register several system critical paths.
* It must be called in in the early stages of booting the application.
*
* @param null
* @return null
* @see Boot
*/
public static function init()
{
spl_autoload_register('Autoload::load');
$c = Config::getInstance();
self::$rd = $c->root_dir;
self::$vd = self::$rd . $c->vendors_dir;
self::$md = self::$rd . $c->models_dir;
self::addDir(self::$rd . '/includes');
self::addDir(self::$vd . '/widgets');
self::addDir(self::$rd . '/includes/widgets');
self::addDir(self::$rd . '/includes/fs');
self::addDir(self::$rd . '/includes/user');
self::addDir(self::$rd . '/includes/exceptions');
self::addDir(self::$rd . '/includes/interfaces');
self::addDir(self::$rd . '/includes/mailer');
self::addDir(self::$vd . '/includes');
}