auth = yes logs too much, auth = no too little

[Hans-Christian Esperer]

On Thu, Sep 27, 2018 at 08:59:01AM -0400, Alan DeKok wrote:
> > Deprecate the auth= setting in favor of auth_successful, auth_failure?
> 
>   We can't deprecate functionality that people use.

With deprecate I mean "still support unchanged", but mark as "will go away some
time in the future"

But sure, simply adding auth_successful and auth_failure would work also, even
though it might confuse some users because it'd overlap with the auth= setting

HC