1. all log messages will be terminated with \n, whether the user provided it or not. 2. remove a bunch of print() calls from scripts to reduce clutter 3. replace printf calls with log_* calls to reduce clutter 4. add the new release preview script
- Bugfix for http://bugs.eressea.de/view.php?id=2019 - removing some old tests
rules for E3 and E4 some missing files.