Adds multilingual variables

local.settings.php

/**
* Multilingual settings
*
* This is a collection of variables that can be set up for each language when i18n is enabled.
* These are the basic ones for Drupal core, but you can add your own here.
*/
$conf['i18n_variables'] = array(
// Site name, slogan, mission, etc..
'site_name',
'site_slogan',
'site_mission',
'site_footer',
'anonymous',
// Contact form information
'contact_form_information',
);