pfSense

Add a dhcpleases monitor to the DHCPv6 server which will trigger automatic creation of routes into the routing table so that prefix delegation will just work.
Redmine ticket #2347

Replace is_function with function_exists

Make sure that we use the right interface for 6rd

work around a redeclaration error.

i'm going to start a discussion about making sure all require() calls
become require_once() calls but until then i have to fix this.

Unbreak interface.inc after manual merge

Remove slipped line

use existing filter_expand_alias (well, via a wrapper) instead of
reinventing it

Unbreak openvpn

Make vips vhid be unique per parent interface!

Load Balancer: allow port aliases in Pools and Virtual Servers. (PEV-394754)