pfSense

Unbreak limitrules and probably pfblocker errors. Spotted-by: Jim

When renaming or deleting a virtual server, clean up the old relayd anchor name. Otherwise the rules are still there and valid, and will cause problems as they will override the new VS settings. Also clear out the anchors when stopping relayd or starting fresh that way no old settings could conflict.

Cleanup some code that is not needed anymore

Use pfSense module functions for finding interface v6 addresses. The addresses will be not in friendly format as returned by getnameinfo

Remove prior CSC entry when cleaning up. Fixes #3143

Declare globals as global before defining them in openvpn.inc

Add a parameter, off by default, to expand all alias items, including hostnames

Force apinger to write the status file before getting gateway status

Ticket #3139 try to detect if the popen is closed from an error

Fix interface selections on UPnP to show the customized descriptions entered by the user. While here, add an external interface selection knob. Fixes #3141