These ebuilds come from http://git.overlays.gentoo.org/gitweb/?p=dev/wrobel/overlay.git;a=summary.
If you have some problems, go to the official site first.
kolabscript : A python library of kolab related scripts ( http://projects.gunnarwrobel.de/scripts )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a wrobel
For Paludis use this rsync : rsync://gentoo.zugaina.org/wrobel-portage
If you have a problem : ycarus(-at-)zugaina.org