fixed OIDC discovery relation URL

Author: jricher

openid-connect-server/src/main/java/org/mitre/discovery/web/DiscoveryEndpoint.java

@@ -104,7 +104,7 @@ public String apply(Algorithm alg) {
 @RequestMapping(value={"/" + WEBFINGER_URL}, produces = MediaType.APPLICATION_JSON_VALUE)
 public String webfinger(@RequestParam("resource") String resource, @RequestParam(value = "rel", required = false) String rel, Model model) {
 
-if (!Strings.isNullOrEmpty(rel) && !rel.equals("https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues")) {
+if (!Strings.isNullOrEmpty(rel) && !rel.equals("http://openid.net/specs/connect/1.0/issuer")) {
 logger.warn("Responding to webfinger request for non-OIDC relation: " + rel);
 }