- fix munin-node start (bnc#940287)

- update to version 2.0.25
Bugfix release.
Closes: GH:304, D:769415, D:770745, D:770746, D:770826
* p/irqstats: Improve generated labels
* ip/iostat_ios: also support /dev/xvdX devices
* p/iostat_ios: also support /dev/vdX devices
* plugins/df_abs: fix the naming for regular devices
* p/pgsql: Detect "rc" postgresql versions
* p/ping_: honor ping env variable
- cleanup sysvinit scriptlets to fix the issue which always
disabled the service on update

- update to version 2.0.24
* bugfix release
compatibility with perl 5.20