assess github's .md wiki system

[gurcei]

I had a few reservations on this method, described here:

https://groups.google.com/d/msg/c65gs-development/mgGiiBxLe58/m853nmYaAQAJ

But I still want to get familiar with it and develop my understanding and assessment of it.

[gurcei]

Nah, I'm not too keen on github's .md files. Presently I'm using google docs for documentation, but maybe one day I can switch to confluence.