Modified the readme to display the images of the correct branch.
Change "reach_target" to "reach".

This is only changed in yarfictl and DBusService.py - not in service.py.
Corrected a wrong path.
Leave a few filesystems mounted rw on unmounting.
Added a target for multiple users and a service for the gettys.
single doesn't depend on system anymore; it conflicts with it now.
Use agetty instead of getty.

This even works on OpenSUSE!
Changed the behaviour of terminating and killing.

It doesn't make sense to kill a process after 5 seconds, even if it has exited before.
Changed the behaviour of terminating and killing.

yarfi.ServicesAndTargets now has a kill function.
Do not stop dbus on shutdown.

This would cause a kernel panic.
Changed the shutdown process.

The three targets (halt, poweroff and reboot) just depend on one of three services (halt, poweroff and reboot).
These services conflict system and single.
Merge recent changes from 'both'.