pfSense

Add array_combin() for php4

When optimization is "conservative", also increase UDP timeouts. Helps prevent disconnects and drops with some VoIP services.

Sync with billm's fixes in 2.0.

Properly enable and disable sticky

Don't check for overlaps, that's a legit configuration.

DPD and NAT-T are not required

Add hideplatform

Add the DPD option to the mobile ipsec page. The DPD option makes the most sense for the mobile IPSEC clients as this is
helps cleaning up any dangling SA entries before their lifetime expires.
The default value is 120 seconds.
Move the NAT-T into the actual layout instead of on top of it.

Make sure the DPD interval makes it into the configuration. Also make sure it is numeric

Adding new files from jimp