Koala

it currently has only git submodules, it might be worth having a 3rd party directory as there is folder like CL that is 3rd party that is not a submodule

in some ways it would be nice to also have all the code under one folder, which is basically the nano folder now. It could basically be renamed to source...

I am use to my projects using camel case, so I default to that, but I understand this project uses snake_case so I will try my best to keep it...

I have redone this pull request with the latest code https://github.com/nanocurrency/nano-node/pull/4062