resurrect forwards and instant printing re #3768

git-svn-id: svn://develop.studip.de/studip/trunk@30693 c5b85792-5220-0410-ad23-ed5b6b8ad999
update history and config for trunk

git-svn-id: svn://develop.studip.de/studip/trunk@30694 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #4440

refactor global stream

git-svn-id: svn://develop.studip.de/studip/trunk@30695 c5b85792-5220-0410-ad23-ed5b6b8ad999