re #4525
text adjustment and auto sizing of image and text

git-svn-id: svn://develop.studip.de/studip/trunk@31623 c5b85792-5220-0410-ad23-ed5b6b8ad999
decided always to use retina version #4311

git-svn-id: svn://develop.studip.de/studip/trunk@31624 c5b85792-5220-0410-ad23-ed5b6b8ad999
retinize #4609

git-svn-id: svn://develop.studip.de/studip/trunk@31625 c5b85792-5220-0410-ad23-ed5b6b8ad999