PR: https://forum.opnsense.org/index.php?topic=3480.0

(firewall, scrub) add direction and source port. closes https://github.com/opnsense/core/issues/1087

Incorrect units capitalization in proxy form

(packet capture) stream/flush output to browser, closes https://github.com/opnsense/core/issues/1116

The other code does more or less the same, but it seems that
a lot needs to be cleaned up still...

PR: https://forum.opnsense.org/index.php?topic=3311.0

PR: https://forum.opnsense.org/index.php?topic=3311.0

Style cleanup (ran make stylefix)

(firewall, alias) move field split to proper location, for https://github.com/opnsense/core/issues/1109

Suggested by: @fabianfrz

Suggested by: @andreas-p
Inspired by:  pfSense