pfSense

Update the years in the Copyright notice.

Update copyright years to include 2023

Update the Copyright year of the files owned by Rubicon/Netgate.

Update the Copyright year.

A subsequent commit will deal with .po's.

This is 2020. Issue #9245

Fix copyright message years to reflect BSDP -> ESF -> Netgate

Update copyright notices to 2019. Happy New Year

Provide DH groups from RFC 7919.

Replaced 2048-bit and 4096-bit groups with RFC 7919 parameters. Added 3072, 6144, and 8192-bit groups from same. Relocated PEM generator script to tools directory.

Update the Copyright notice for pfSense.

Remove infra scripts