Ignore systemctl failures during install/upgrade/uninstall

Needed for making installing in SDK environment to succeed.

[packaging] Ignore systemctl failures during install/upgrade/uninstall
Merge pull request #9 from spiiroin/ignore_systemctl_failures

Ignore systemctl failures during install/upgrade/uninstall
Bump mce-plugin-libhybris version to 1.1.3
Add bug reference and bumb version again.

[packaging] Ignore systemctl failures during install/upgrade/uninstall. Contributes to JB#15597

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>