trailize literature, several template fixes, sidebar for search pages, re #3768

git-svn-id: svn://develop.studip.de/studip/trunk@31022 c5b85792-5220-0410-ad23-ed5b6b8ad999
helpbar identifier fix, re #3768

git-svn-id: svn://develop.studip.de/studip/trunk@31023 c5b85792-5220-0410-ad23-ed5b6b8ad999