O2 sensor values on CCR dives

[Jef Driesen]

On 22-12-17 10:53, Davide DB wrote:
> I added this bug on Github for future reference:
> 
> https://github.com/Subsurface-divelog/subsurface/issues/971

I think Anton's suggestion, to check the calibration factors and emit the 
average ppo2 instead of the individual values if they are all equal to 2100, is 
not a bad idea. I just didn't get to the implementation yet, but it's on my todo 
list.

Jef