I suspect this metapackage upgrade problem was triggered by bug #768600 fixed in readahead-fedora version 2:1.5.6-5.2. If I got it right, it was a problem exposed/triggered by a new dpkg version changing how triggers were handled, and not really something we can fix in education-common.
-- Happy hacking Petter Reinholdtsen -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org