public static function find($theme)
    {
        $paths = App::path('Plugin');
        foreach ($paths as $path) {
            $path = FS::clean($path . '/', DS);
            $themeFolder = $path . $theme;

            if (FS::isDir($themeFolder)) {
                return $themeFolder;
            }
        }

        return Configure::read('plugins.' . $theme);
    }