pfSense

Don't unset these items for PPP configurations as they're not configured here and doing so loses settings configured in interfaces_ppps_edit.php. Ticket #3727

Fix ovpn-linkup for tun + topology subnet case setting router as ifconfig_local envvaar when route_vpn_gateway and ifconfig_remote are both not defined. Keep using 5th parameter as a seatbelt in last case. While I'm here, improve sh syntax. It should fix #3968

phone number is a required field

fix up text

Fix input validation of custom-type dynamic DNS hostnames.

Properly remove IPv6 carp vips as reported from https://forum.pfsense.org/index.php?topic=84392.0

Change wording at the end of the wizard to remove "donate" since that is no longer an option

Add a note to the wizard about the DNS Resolver ignoring manual name servers by default.

Add .inc file for gmirror status widget to give it a better title and link to the management page.

Fixes #3727 Do not unset configuration values from ppp config if not needed.