zfs-fuse: fix zfs-fuse startup with systemd

This udpate fixes the following issue for zfs-fuse:
- bnc#783152: make startproc wait for parent process to exit and pidfile to be written, this fixes startup with systemd
- fix the default runlevels in the init script
- set nice value correctly

Fixed bugs
bnc#783152
zfs-fuse wont start at boot time but starts properly if started manually
Selected Binaries
openSUSE Build Service is sponsored by