So I have updated the web page so that the report looks much better! Mouse hovers over time were causing some weird memory issues. 

One thing I did realise with deploying to the Node from another computer: You will need to install the OneWire library in Arduino (Sketch -> Include Library -> Manage Libraries):

I am hoping to call the Pi server "stable" at some point. Currently I was having wifi issues and I think that was terminating the SSH session and then the server would stop. So now I SSH over a hard LAN cable (I am using a Pi 3 for now)