Capture IdP hostname and user IP in velocity templates

[Ryan Suarez]

> Do you mean display? Is this the same as the LocalName [1] for the
> httprequest [2]

Ah, not sure why but LocalName returns the IP of the server.  Good
enough for my diagnostic purpose regardless.  This worked for me:

#set ($server = $request.getLocalName())
#set ($clientIP = $request.getRemoteAddr())

Thanks for the pointers.

-Ryan