VaultPress::add_vp_required_filters PHP Method

    function add_vp_required_filters()
    {
        // Log ins
        if ($this->get_option('login_lockdown')) {
            add_action('login_form', array($this, 'add_js_token'));
            add_filter('authenticate', array($this, 'authenticate'), 999);
        }
        // Report back to VaultPress
        add_action('shutdown', array($this, 'do_pings'));
        // VaultPress likes being first in line
        add_filter('pre_update_option_active_plugins', array($this, 'load_first'));
    }