1) update version number
 * changelog
 * README
 * ezmlm-web.cgi
 * UPGRADING
 * template/footer.cs
 * debian-related/changelog.Debian
 * debian-related/DEBIAN/control

2) create new tag

3) create tar.gz
	./make-tar.sh X.Y.Z

4) create debian package
	scripts/debian
	scripts/debian check

5) upload debian package
	scp XYZ.deb uml-bastelecke@systemausfall.org:/data/deb-repo/incoming/unstable

6) update website