change wording, re #4711

git-svn-id: svn://develop.studip.de/studip/trunk@31633 c5b85792-5220-0410-ad23-ed5b6b8ad999
add tooltip to admin-icon, re #4711

git-svn-id: svn://develop.studip.de/studip/trunk@31634 c5b85792-5220-0410-ad23-ed5b6b8ad999