Fix copyright message years to reflect BSDP -> ESF -> Netgate
Silence warnings generated by sysctl to standard error.
Update the Copyright notice for pfSense.
Remove rescue from installation media
Move copyright from ESF to Netgate
Do not include rescue on installation media
Change order arguments are validated to make more sense
Do not call realpath for a possible non-existent directory
Do not remove destdir where system is going to be installed
Add missing /
Add install_freebsd.sh and use it