WPLessPlugin::install PHP Method

    public function install()
    {
        /*
         * Check to see if it isn't scheduled first, for example
         * this would occur when loaded via theme
         */
        if (FALSE === wp_get_schedule('wp-less-garbage-collection')) {
            wp_schedule_event(time(), 'daily', 'wp-less-garbage-collection');
        }
        /*
         * Clear old hooks, prior to hook change
         * #57
         */
        wp_clear_scheduled_hook('wp-less_garbage_collection');
    }