/**
  * Returns the display language for the given locale
  *
  * @param string $locale    Locale to get language name for
  * @param string $in_locale Native locale
  * 
  * @return string
  */
 public function getDisplayLanguage($locale, $in_locale)
 {
     $displayLanguage = sprintf("%s - %s", SilvercartLanguageHelper::getDisplayLanguage($locale, $in_locale), SilvercartLanguageHelper::getDisplayLanguage($locale, $locale));
     return $displayLanguage;
 }