pfSense

get_failover_interface returns the parent physical NIC for _lloc interfaces, so make sure it's returning null before it gets to that point.

Fix help text index when the privs are filtered.

Merge pull request #2592 from phil-davis/patch-1

Fix #3209 editing unassigned VLAN tag can change an assigned interface

To reproduce:
a) Create VLAN 10 on some real device (e.g. em0)
b) Create VLAN 11 similarly.
c) Assign VLAN 11 (the last one in the vlan array in the config) to OPT1.
d) Edit VLAN 10 tag to be 12....

Merge pull request #2599 from phil-davis/gtvpn

Merge pull request #2597 from phil-davis/patch-3

Merge pull request #2596 from phil-davis/gtsug

Merge pull request #2595 from phil-davis/grppriv

Merge pull request #2594 from NOYB/HTML_Compliance_-_Status_/_Gateways

Internationalize vpn*.php