now unused re #4695

git-svn-id: svn://develop.studip.de/studip/trunk@31564 c5b85792-5220-0410-ad23-ed5b6b8ad999
inserted missing nice pictures into sidebar re #4609

git-svn-id: svn://develop.studip.de/studip/trunk@31565 c5b85792-5220-0410-ad23-ed5b6b8ad999