* go get -u github.com/Azure/azure-sdk-for-go
* github.com/aws/aws-sdk-go upgrade => v1.30.11
* github.com/digitalocean/godo upgrade => v1.35.1
* go get -u github.com/golang/protobuf
* Implement Digitalocean provider
* Vendor digitalocean lib
* Enable SRV for Digitalocean and fix the tests
* Test cname etc. records pointing to the same domain