fixes #4406
notification on course archiving

git-svn-id: svn://develop.studip.de/studip/trunk@30492 c5b85792-5220-0410-ad23-ed5b6b8ad999
sorm: fix broken configure method, re #4391

git-svn-id: svn://develop.studip.de/studip/trunk@30493 c5b85792-5220-0410-ad23-ed5b6b8ad999
archive: provide CourseWillArchive notification as well, refines [30492], re #4406

git-svn-id: svn://develop.studip.de/studip/trunk@30495 c5b85792-5220-0410-ad23-ed5b6b8ad999