Define attributeConsumingService on README and remove custom settings on django demo

Author: pitbulk

README.md

@@ -223,6 +223,22 @@ This is the settings.json file:
             // HTTP-POST binding only.
             "binding": "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
         },
+        // If you need to specify requested attributes, set a 
+        // attributeConsumingService. nameFormat, attributeValue and
+        // friendlyName can be ommited
+        "attributeConsumingService": {
+            "ServiceName": "SP test",
+            "serviceDescription": "Test Service",
+            "requestedAttributes": [
+                {
+                    "name": "",
+                    "isRequired": false,
+                    "nameFormat": "",
+                    "friendlyName": "",
+                    "attributeValue": ""
+                }
+            ]
+        },
         // Specifies info about where and how the <Logout Response> message MUST be
         // returned to the requester, in this case our SP. 
         "singleLogoutService": {