Fix copyright message years to reflect BSDP -> ESF -> Netgate
Remove Whitespace
I'm aware this is a very large commit. Let me know if you'd rather have it broken down by file type (ie: PHP/shell scripts) so it would be easier to review.
-RJ
Update the Copyright notice for pfSense.
Move copyright from ESF to Netgate
Move to Apache License 2.0
Review license / copyright on all files (1st round)
Add playback files for disabling and enabling CARP maintenance mode. Ticket #6560