idp-v3 2nd look

[Jim Fox]

>> No other components seem to have gone this route.  Why only the
>> attribute resolvers?
>
> Not sure I follow, can you restate?

In the tests for attr resolver there are specific cases for both spring 
bean and legacy config.  I didn't see that anywhere else, in the attr 
filter module, for instance.  That might be my only example.

> I tried to note the specific plans for each case in the alpha docs.
>

I kinda skimmed the docs.  I'll look deeper.

Jim