Add support for resource parameter (#916)

- Add the requested resources to the consent page
- Allow iam-test-client to perform 'resource' request
- Add all granted resources if not requested at token endpoint
- All granted resources can be requested also with aud or audience parameters at token endpoint

Author: federicaagostini

iam-login-service/src/main/java/it/infn/mw/iam/core/oauth/IamDeviceEndpointController.java

@@ -315,8 +315,9 @@ private void setModelForConsentPage(ModelMap model, Authentication authn, Device
       model.put("resources", splitBySpace(dc.getRequestParameters().get(RESOURCE)));
     }
 
-    // just for tests validation
-    model.put("scope", OAuth2Utils.formatParameterList(dc.getScope()));
+  // just for tests validation
+  model.put("scope",OAuth2Utils.formatParameterList(dc.getScope()));
+
   }
 
   private void approveDevice(DeviceCode dc, OAuth2Authentication o2Auth) {