Matt Wilmink

Traefik 2.0.0 was released earlier this week, and changed the `acme.json` file enough to break this tool. [Old acme.json](https://github.com/containous/traefik-migration-tool/blob/9a21a1ef41ef4860d6bd97abfceacb70547d248c/acme/fixtures/acme.json) [New acme.json](https://github.com/containous/traefik-migration-tool/blob/9a21a1ef41ef4860d6bd97abfceacb70547d248c/acme/fixtures/new-acme.json) From a first glance these are the changes that...