[IPP] [PWG5100.22] Issue #98: Add "oauth-authorization-server-uri" and "oauth-authorization-scope" attributes as System Description attributes

[smith.kennedy at hp.com]

[Issue Unconfirmed]

To enable System objects to supports OAuth for authentication, the System
Service needs to define the "oauth-authorization-server-uri" and
"oauth-authorization-scope" attributes as System Description attributes.

Link: http://www.pwg.org/issues/98