pfSense

Use new names for get_memory parameters

Use hw.physmem when calculating pfsense_default_state_size

hw.physmem is the actual amount of memory that FreeBSD/pfSense can get its hands on, so use this for the calculation.
Backport to 2.1

Use updated get_memory var names

Backport to 2.1

Improve var names in get_memory

Backport from master

Support the names used by the status page as well as those used internally by service entries.

Delete old route for remote gateway when its IP changes. It fixes #3155

Fixup check for existing easyrule block rule to account for the ipproto and when the ipproto is blank.

Add scope to target when it is a link-local, it helps ticket #3150

Attempt to recognize pfsync entries from pf logs.

Fix selection of IPv6 target IP for IPv6 Outbound NAT rules.

This makes it possible (without source hacking) to do many:1 NAT of IPv6.

Some will rejoice. Some will curse.

This should really only be done in limited, specific circumstances. Don't develop the IPv4 NAT mentality with IPv6.