(trafficshaper) unload ipfw rules when all ipfw rules should be disabled, closes https://github.com/opnsense/core/issues/407

(legacy) fix for https://github.com/opnsense/core/issues/400, missing "Interface address" option in translation/target

Still missing language picking, will follow soon.

It looks like the new components are not yet setting a different
language internally.  Time to fix that, huh...

Submitted by: Tikimotel
PR: https://forum.opnsense.org/index.php?topic=1416.0

Doing tab conversion makes the space waste more obvious than ever.
Try to close the gap a little, open for discussion!

o Convert pkg-info to pkg-query.
o Thin out unused fields.
o Add flatsize to GUI.
o Way faster.  :D

Discussed with: ad@