This update for monitoring-plugins-zypper contains the following fixes:

Updates to the list of releases reported as maintained:

- add Leap 42.3, 15.0 and Tumbleweed 2017/2018* (boo#1049950)
- add SLE 12 SP3
- remove openSUSE 13.x, Leap 42.1, Tumbleweed 2016*
- remove SLE 10 SP4, SLE 12, 12 SP1

Further fixes:

- update Tumbleweed version reporting
- improve systemd integration