- cis/private/lehre/abgabe_lektor_details.php and cis/private/lehre/abgabe_student_details.php check if the uploaded document contains digital signares and display a phrase
- Added new phrase to locale/de-AT/abgabetool.php and locale/en-US/abgabetool.php
- Changed configs for the signature server in config/vilesci.config-default.inc.php
- Changed include/dokument_export.class.php to make use of the new configs