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)
Delete Id comment lines from etc files
A bit more crud cleaned outNote: lots of the /etc files have old style copyright stuff or nocopyright stuff.
White space and minor bits in etc
Cleaner version of https://github.com/pfsense/pfsense/pull/1846
Move main pfSense content to src/