Update the Copyright notice for pfSense.
ipsec, prevent simultaneous/repeated calling of vpn_ipsec_configure() by /etc/rc.newipsecdns
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)
Use proper IPsec enable test. Fixes #6351
Move main pfSense content to src/