We removed most of the component-specific configs out of cmd a long time ago. We
left CAConfig in, because it is used directly in the NewCertificateAuthority
constructor. That means that moving CAConfig into cmd/boulder-ca would have
resulted in a circular dependency.
Eventually we probably want to decompose CAConfig so it's a set of arguments to
NewCertificateAuthority, but as a short term improvement, move the config into
its own package to break the dependency. This has the advantage of removing a
couple of big dependencies from cmd.
Jacob Hoffman-Andrews