(from AES) dutil: Add TLS and non-listening variants of {ListenAnd,}ServeHTTP{S,}WithContext
(from AES) dutil: Add TLS and non-listening variants of {ListenAnd,}ServeHTTP{S,}WithContext

You could say YAGNI, but I have several commits comming up that want a
couple of these, so let's just round it out now.  It's easier for me
to just do that than it is for me to keep track of which variants
exist.

datawire/ambassador,datawire/ambassador,datawire/ambassador,datawire/ambassador,datawire/ambassador