Language property is lost during menu links export

Current Features-7.x-2.x-dev version fails to export menu link language information if it exists.

1. i18n_menu_query_features_menu_link_alter() function in i18n_menu module tries to alter queries with features_menu_link tag in order to add language related fields to menu links:

/**
 * Implements hook_query_TAG_alter() for features_menu_links.
 * Add needed fields to properly serialize localization information.
 */
function i18n_menu_query_features_menu_link_alter($query) {
  $query->fields('menu_links', array('language', 'customized'));
}

This alter function exists because it is presumed that features_menu_link_load() function in Features module attaches features_menu_link tag to the query that loads the menu link so that langauge related fields can be added to the exported code.

2. features_menu_link_load() function indeed attached features_menu_link tag to menu link loading query but with commit afa9133 this functionality is lost no apparent reason (see the diff, search for "addTag('features_menu_link')").

3. Solution: attach the tag back to the menu link loading query.