[Openid-specs-mobile-profile] Issue #58: 3.3. Client Registration Response should include `iss` (openid/mobile)

[Nat Sakimura]

New issue 58: 3.3. Client Registration Response should include `iss`
https://bitbucket.org/openid/mobile/issues/58/33-client-registration-response-should

Nat Sakimura:

The `client_id` is scoped to `iss`. The response should include `iss` as well.