Trad: Now date format is stored in language files.

htdocs/langs/ca_ES/main.lang

htdocs/langs/en_AU/main.lang

htdocs/langs/en_GB/main.lang

htdocs/langs/en_US/main.lang

htdocs/langs/es_ES/main.lang

htdocs/langs/fi_FI/main.lang

htdocs/langs/fr_BE/main.lang

htdocs/langs/fr_CA/main.lang

htdocs/langs/fr_CH/main.lang

htdocs/langs/fr_FR/main.lang

htdocs/langs/it_IT/main.lang

htdocs/langs/nb_NO/main.lang

htdocs/langs/nl_BE/main.lang

htdocs/langs/nl_NL/main.lang

htdocs/langs/pl_PL/main.lang

htdocs/langs/pt_PT/main.lang

htdocs/langs/ro_RO/main.lang

htdocs/langs/ru_RU/main.lang

htdocs/translate.class.php