pfSense

dpinger help text

The packet loss thresholds must still be in % ? milliseconds does not look valid.
Other things are minor formatting.

Ticket #5624: Welcome dpinger!

Fix indent

Simplify logic and break some long lines, no functional changes

Remove calculated options

Change apinger_default to dpinger_default

Fixed #5602 by dynamically updating hte help text based on the cert selected.

Fix #5598 - Nanobsd upgrade fails on GUI

When -p is used on nanobsd, progres socket must be created on secondary
partition (chroot_dir) otherwise pkg, that runs with -c chroot_dir,
will not be able to find UNIX socket to connect and send events

Track nc PID and kill it on _exit()

Fixed #5617
Fixed #5612