pfSense

Bump up the year in the Copyright notice.

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

Fixed #9245 updating copyright notices

Update the Copyright notice for pfSense.

Move copyright from ESF to Netgate

Move to Apache License 2.0

Review license / copyright on all files (final round)

Review license / copyright on all files (1st round)

Delete Id comment lines from etc files

A bit more crud cleaned out
Note: lots of the /etc files have old style copyright stuff or no
copyright stuff.

Move main pfSense content to src/