Need some authn config strategy help.

[Tom Zeller]

>>Can there be any consideration in future iterations of IDP3 to allow for custom bean inclusion to the incoming request model for views?
>
> I thought Tom basically figured out a way to get that work using web.xml (which you probably could do now) but I haven't reviewed it.

See comment on IDP-774 [1], which involves usage of VelocityTools. I
don't know which if any JARs need to be added besides velocity-tools,
but I assume there are additional dependencies.

[1] https://issues.shibboleth.net/jira/browse/IDP-774