Trad: missing trad.

htdocs/langs/ca_ES/admin.lang

htdocs/langs/ca_ES/agenda.lang

htdocs/langs/ca_ES/bills.lang

htdocs/langs/ca_ES/bookmarks.lang

htdocs/langs/ca_ES/boxes.lang

htdocs/langs/ca_ES/categories.lang

htdocs/langs/ca_ES/companies.lang

htdocs/langs/ca_ES/contracts.lang

htdocs/langs/ca_ES/deliveries.lang

htdocs/langs/ca_ES/donations.lang

htdocs/langs/ca_ES/ecm.lang

htdocs/langs/ca_ES/exports.lang

htdocs/langs/ca_ES/ftp.lang

htdocs/langs/ca_ES/help.lang

htdocs/langs/ca_ES/interventions.lang

htdocs/langs/ca_ES/languages.lang

htdocs/langs/ca_ES/ldap.lang

htdocs/langs/ca_ES/mails.lang

htdocs/langs/ca_ES/main.lang

htdocs/langs/ca_ES/orders.lang