Тумилович Павел

As I see in the sources the client chooses what scheme to use based on certs availability [DefaultDockerClient.java:fromEnv()](https://github.com/spotify/docker-client/blob/42d943a38794e97b819c9e18cb625bfc58f6d58b/src/main/java/com/spotify/docker/client/DefaultDockerClient.java#L2917). Because I don't have explicit certs it fallback to this [DockerHost,java:defaultCertPath()](https://github.com/spotify/docker-client/blob/42d943a38794e97b819c9e18cb625bfc58f6d58b/src/main/java/com/spotify/docker/client/DockerHost.java#L223) which...

And the workaround is to set `user.home` to folder with non existent `.docker` folder.

0.31 version is already available