IDP SLO endpoint confusion

[Cantor, Scott]

> Yeah, I will check. My documentation may be wrong if I used /Logout.

It is, I corrected the page.

> > It's clearly triggering the first part, but not the second part that's associated
> > with ASLO, or I wouldn't be redirected back to the SP.

There's a log message on DEBUG if it detects the extension when it handles the message:

log.debug("Incoming LogoutRequest contains aslo:Asynchronous extension.");

If not, the extension's not there or the code's got a bug in it that I didn't trip over testing it.

-- Scott