[tx-robot] updated from transifex

apps/files/l10n/ca.php

apps/files/l10n/de.php

apps/files/l10n/vi.php

apps/files_external/l10n/uk.php

apps/files_sharing/l10n/uk.php

apps/user_ldap/l10n/uk.php

apps/user_ldap/l10n/vi.php

core/l10n/uk.php

l10n/ca/files.po

l10n/de/files.po

l10n/fr/settings.po

l10n/templates/core.pot

l10n/templates/files.pot

l10n/templates/files_encryption.pot

l10n/templates/files_external.pot

l10n/templates/files_sharing.pot

l10n/templates/files_versions.pot

l10n/templates/lib.pot

l10n/templates/settings.pot

l10n/templates/user_ldap.pot