blocklist: Rename blacklist to blocklist

Follow up upstream rename from blacklist to blocklist.

- Old names and rc scripts are still valid, but emitting an ugly warning
- Old firewall rules and anc

blocklist: Rename blacklist to blocklist

Follow up upstream rename from blacklist to blocklist.

- Old names and rc scripts are still valid, but emitting an ugly warning
- Old firewall rules and anchor names should work, but emitting an ugly
warning
- Old MK_BLACKLIST* knobs are wired to the new ones

Although care has been taken not to break current configurations, this
is a large patch containing mostly duplicated code. If issues arise, it
will be swiftly reverted.

Reviewed by: ivy (pkgbase)
Approved by: emaste (mentor)
MFC after: 2 days
Relnotes: yes

show more ...