Fix typo on var name
Remove broken 'dynamic6' gateway, we already have ipprotocol to tell us the IP version, leave it more simple using only 'dynamic'. It helps #3484
Validate if src OR dst have IP address set when protocol is IPv4+v6. Fixes #3499
s/unlink/unlink_if_exists/
Fix syntax
css test
Merge branch 'master' of https://github.com/pfsense/pfsense into 2.1-css