Great job @PParker!
It’s a good starting point for those who want to test Nagios 4.
Take e minute to look at this how-to: a Nagios 3 flavour solution, I’d like to have your opinion.
If you fancy Nagios 4, then you might be interested in looking at Naemon version: https://github.com/opinkerfi/adagios/wiki/Naemon-and-Adagios-Install-Guide
Let me know! 