[AusNOG] AusNOG 2018 Event Survey results and images

[Mark Prior]

I've updated the event survey results web site and created a page with 
some of the images I took at the event.

The survey is at <https://www.ausnog.net/events/ausnog-2018/survey> and 
the images at <https://www.ausnog.net/events/ausnog-2018/images>.

Mark.