Change default docker-host to Unix socket
Change default docker-host to Unix socket

This is a more sane value now as dockermanager only cares about one host
instead of being cluster aware. When required TCP connections are still
usable.

Signed-off-by: Knut Ahlers <d2f539dedeec14e34a7f96ae3f2f06fb4ed22063@ahlers.me>

Luzifer/dockermanager