Added translation of some fields in the header. We could technically translate the whole template but it makes more sense to translate some particular fields instead.
Coverage remained the same when pulling e0144ced00166cca09e97c2fb486d59e62d6554e on savoirfairelinux:7.0-Add-translated-fields into cdbb8c4ac59c628d779eeb2702fb271cd506c75e on OCA:7.0.
Added translation of some fields in the header. We could technically translate the whole template but it makes more sense to translate some particular fields instead.