re #2874
homepage plugins may also appear in personal settings

git-svn-id: svn://develop.studip.de/studip/trunk@25717 c5b85792-5220-0410-ad23-ed5b6b8ad999
refs #3218: bugfixing and better UI

git-svn-id: svn://develop.studip.de/studip/trunk@25718 c5b85792-5220-0410-ad23-ed5b6b8ad999