This is a --strategy=ours merge to allow adamierymenko-dev to replace
the current content of detached-network-test. This is ready for another
test in 'headless' mode.

Merge branch 'detached-network-test' into adamierymenko-dev
Merge branch 'adamierymenko-dev' of ssh://shub-niggurath.zerotier.com:222/git/ZeroTierOne into adamierymenko-dev