identifier.json in pupa-0.2.4

- old
+ new

@@ -1,7 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-03/schema#",
-  "id": "http://www.popoloproject.com/schemas/identifier.json#",
+  "id": "identifier.json#",
   "title": "Identifier",
   "description": "An issued identifier",
   "type": "object",
   "properties": {
     "identifier": {