[tx-robot] updated from transifex

apps/files/l10n/ast.php

apps/files_external/l10n/ast.php

apps/files_external/l10n/en_GB.php

apps/files_external/l10n/es.php

apps/files_external/l10n/fi_FI.php

apps/files_external/l10n/fr.php

apps/files_external/l10n/gl.php

apps/files_external/l10n/it.php

apps/files_external/l10n/pl.php

apps/files_external/l10n/pt_BR.php

apps/files_external/l10n/tr.php

apps/files_trashbin/l10n/ast.php

apps/user_ldap/l10n/ast.php

apps/user_ldap/l10n/it.php

core/l10n/ast.php

core/l10n/de.php

core/l10n/de_DE.php

core/l10n/it.php

l10n/ar/lib.po

l10n/ar/settings.po