[tx-robot] updated from transifex

apps/files/l10n/de.php

apps/files/l10n/de_DE.php

apps/files/l10n/nb_NO.php

apps/files/l10n/ru.php

apps/files/l10n/sk_SK.php

apps/files/l10n/vi.php

apps/files_encryption/l10n/de_DE.php

apps/files_external/l10n/de_DE.php

apps/files_external/l10n/sk_SK.php

apps/files_sharing/l10n/de_DE.php

apps/files_versions/l10n/de_DE.php

apps/files_versions/l10n/vi.php

apps/user_ldap/l10n/de_DE.php

core/l10n/ca.php

core/l10n/cs_CZ.php

core/l10n/de.php

core/l10n/de_DE.php

core/l10n/es.php

core/l10n/es_AR.php

core/l10n/fr.php