dbus : A message bus system, a simple way for applications to talk to each other ( http://dbus.freedesktop.org/ )
systemd : System and service manager for Linux ( http://www.freedesktop.org/wiki/Software/systemd )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a steev
For Paludis use this rsync : rsync://gentoo.zugaina.org/steev-portage
If you have a problem : ycarus(-at-)zugaina.org