pfSense

Add l2tp

Fix interface list usage

WARN: Please ask before introducing old code on what have changed!

Call convert_config(); after import.

Fix ipsec vpn phase1 post code so that we correctly try to delete the old static route if required.

Use $BOOT_DRIVE

Really set boot slice correctly

Set boot slice correctly (reversed logic)

Add and use fdisk_upgrade_log.txt

Add a <p/> between message

Note that the newly duplicated slice has not been set as the active slice.