pfSense

Remove redundancy as pointed out by phil-davis

Merge pull request #1297 from phil-davis/patch-23

Decode recently created cert and key. It fixes #3964. While here, fix logical condition to create a new cert if crt or key is not present

domain and search should not both be defined in resolv.conf per FreeBSD man page and handbook (only the latter is actually used). Change this to just not use domain, and set the search to the system's domain where not using the function that generates the search list for dynamic WANs.

Enable unity plugin as per request from https://forum.pfsense.org/index.php?topic=79737.msg452808#msg452808

Support converting an IP range to an array of addresses

so that it can be used for expanding ranges in host alias input.

Merge pull request #1313 from phil-davis/patch-9

remove the command number shown in the shell prompt, it's a pointless
waste of screen space

Prevent Internal Server Error if range is backwards

Fixes redmine #3950 - ip_range_to_subnet_array can easily swap the input parameters if the caller has passed/entered them the wrong way around. That is both friendly to the caller and ensures that a hostile caller can't blow up the routine....

hostnames can end with a . (and actually always do, it's just usually implied), so allow that here. Fixes wrong input validation in parts of nsupdate GUI, among other things.