institut main to trails, re #3768

git-svn-id: svn://develop.studip.de/studip/trunk@30925 c5b85792-5220-0410-ad23-ed5b6b8ad999
institut main to trails, re #3768

git-svn-id: svn://develop.studip.de/studip/trunk@30926 c5b85792-5220-0410-ad23-ed5b6b8ad999