Implemented OpenID support for auth_time, nonce and max_age.

Change-Id: I509554ff19a9f5baf6c1add5c6b5c0a07ec76380
diff --git a/full/src/test/resources/kustvakt-test.conf b/full/src/test/resources/kustvakt-test.conf
index 9061918..6a6b5c2 100644
--- a/full/src/test/resources/kustvakt-test.conf
+++ b/full/src/test/resources/kustvakt-test.conf
@@ -62,7 +62,7 @@
 openid.token.signing.algorithms = RS256
 openid.subject.types = public
 openid.display.types = page
-openid.supported.scopes = openid email
+openid.supported.scopes = openid email auth_time
 openid.support.claim.param = false
 openid.claim.types = normal
 openid.supported.claims = iss sub aud exp iat