pfSense

Add a log message when hostres SNMP module is ignored on APU boards

Disable SNMP hostres module on APU boards until we figure out why it's crashing on this specific board. Ticket #4403

Leave adaptive.start and end at their defaults (60% and 120% of the state limit, respectively) if not user-overridden.

Update cipher-list in web interface to prefer PFS. Ticket #4230

Check for not up, rather than down, as there are a variety of potential
statuses that are not up. Ticket #4502

Need global $ipsec_idhandling here.

Don't enable interfaces_use by default. Add checkbox to enable on Advanced
tab, in case there are scenarios where it's desirable. Ticket #4341

Code style etc inc vwx3

rebased version with conflicts resolved due to a bunch of recent changes
in vpn.inc

Merge pull request #1541 from phil-davis/Code-Style-etc-inc-z

Check if it's an array before call foreach(). Ticket