This is in preparation for TLS by default, since the TLS certificate will
use FQDNs for the SubjectAltName, and that will be verified.
This required for us to change both CloudDomain and CloudName to be
required parameters, and not default them to use localdomain. This is to
avoid folks in real deployments using them in their clouds.
Change-Id: Ic70dd323b33596eaa3fc18bdc69a7c011ccd7fa1