pfSense

Do not use netstat to fetch default gateway interface but other faster commands to avoid problems on large interface setups.

Fixes #622. Add a new file status for signaling default gateway under /tmp. dhclient script will check for this file to define if the interface needs a default gateway or not from its given routes.

Use full path and use variables to be consistent.

Fix static route for DNS from DHCP servers.

Resolve problems with dns server setup when allow override is set. Also add static routes for all nameservers to be friendly with multiwan.

When removing a package delete its underlying FreeBSD pacakges.
Correct checks for avioding as much as possible errors.
Simplify logic in some cases.
Remove package include files when uninstalling packages.

NOTE: Some work is needed to have more error reporting. Espescially when failing to retrieve files or add them locally.

Simplify recording of gateway coming form ppp configuration.

Do not break rc.newwanip by putting more information than requested in the file.

use correct gateway IP for PPP

Handle secondary DNS correctly for 3G