Provide a document's rfc number (if any) as part of the document fields exposed in the json api.

- Legacy-Id: 9923

ietf/doc/resources.py

@@ -1,6 +1,6 @@
 # Autogenerated by the mkresources management command 2014-12-14 19:50
 from tastypie.resources import ModelResource
-from tastypie.fields import ToOneField, ToManyField
+from tastypie.fields import ToOneField, ToManyField, CharField
 from tastypie.constants import ALL, ALL_WITH_RELATIONS
 
 from ietf import api
@@ -86,6 +86,7 @@ class DocumentResource(ModelResource):
     states           = ToManyField(StateResource, 'states', null=True)
     tags             = ToManyField(DocTagNameResource, 'tags', null=True)
     authors          = ToManyField(EmailResource, 'authors', null=True)
+    rfc              = CharField(attribute='rfc_number', null=True)
     class Meta:
         queryset = Document.objects.all()
         #resource_name = 'document'