[tx-robot] updated from transifex

apps/files/l10n/fr.php

apps/files/l10n/pt_PT.php

apps/files/l10n/ru.php

apps/files_external/l10n/ca.php

apps/files_external/l10n/fr.php

apps/files_external/l10n/pt_PT.php

apps/files_external/l10n/ru.php

apps/files_external/l10n/zh_HK.php

apps/user_ldap/l10n/ca.php

core/l10n/fr.php

core/l10n/pt_PT.php

l10n/ach/lib.po

l10n/ach/settings.po

l10n/ady/lib.po

l10n/ady/settings.po

l10n/af_ZA/lib.po

l10n/af_ZA/settings.po

l10n/ak/lib.po

l10n/ak/settings.po

l10n/am_ET/lib.po