[tx-robot] updated from transifex

l10n/af_ZA/core.po

l10n/af_ZA/files.po

l10n/af_ZA/files_encryption.po

l10n/af_ZA/files_external.po

l10n/af_ZA/files_sharing.po

l10n/af_ZA/files_trashbin.po

l10n/af_ZA/files_versions.po

l10n/af_ZA/lib.po

l10n/af_ZA/settings.po

l10n/af_ZA/user_ldap.po

l10n/ar/core.po

l10n/ar/files.po

l10n/ar/files_encryption.po

l10n/ar/files_external.po

l10n/ar/files_sharing.po

l10n/ar/files_trashbin.po

l10n/ar/files_versions.po

l10n/ar/lib.po

l10n/ar/settings.po

l10n/ar/user_ldap.po