pfSense

Fixed #9785

Remove old code commented out in 2014

Fix #9716: Enable Italian translation

Update a couple of Chinese locale codes

Fix #6263: Deduplicate encryption options on ipsec.conf

On a configuration with multiple P2, all encryption options from all P2
are added to ipsec.conf. The list could have duplicated itens when
multiple P2 use the same options. Deduplicate this list.

Fix #3743: Allow OpenVPN keepalive configuration

- Remove hardcoded 'keepalive 10 60' configuration
- Added 'inactive seconds' option
- Let user configure 'keepalive interval timeout'. It defaults to 10 60
as it was hardcoded until now
- Let user define ping and chose between ping-exit or ping-restart...

Fix #6846: Properly detect Super Micro C2558/C2758

Remove variable from gettext string

Remove line commented out in 2015

Remove code commented out in 2008