Moving all resume stuff to public ruby gem

(please ignore branch name as i made the branch name before i knew i was doing all of the move)
Hrmm, this might be some leftover stuff from yesteryear, but unfortunately I don't know if this will work for host site. Stuff in Cb.configuration gets set on startup and never changes (it can't really, we'd have to call `new` on the config object and set the new instance to the `configuration` attr, which we never do). Is there a way to get host site in a more dynamic fashion - i.e. args hopefully?