InCommon metadata support

["Wessel, Keith" <>]

Hi, Tom and others,

I have my test IDP cluster querying metadata from the InCommon MDQ server. I 
configured the IDP using the instructions on 
https://spaces.internet2.edu/display/InCCollaborate/Dynamic+Metadata+Client+Config#DynamicMetadataClientConfig-ShibbolethIdPConfiguration.
 However, my IDP has reminded me evern since I did this that the 
requireSignedMetadata attribute of the signature validation filter is 
deprecated. Is it syntactically correct to use the new requireSignedRoot 
attribute in this configuration instead? I'm not sure if metadata coming back 
from the MDQ server has a signed root. I would expect it would but wanted to 
know for sure. If so, it might be good to update that wiki page.

Thanks,
Keith