• Enable IPv6 name record lookups for dig-wrapper. This indirectly enables IPv6/AAAA-record support for dyndns-host-open (& traffic-accounting) plugin
• Prevent systemd from terminating the job manager when some rules fail
• Renamed xxx_OUTPUT to INET_OUTPUT_xxx for clarity/consistency + Additional INET_OUTPUT_xxx settings to have better control of internet access on this machine
• Reorder some code/settings for clarity/consistency