Use newer config strategy for all views

to make inheritance easier

tailbone/views/purchasing/receiving.py

@@ -2082,5 +2082,12 @@ class DeclareCreditForm(colander.MappingSchema):
                                           missing=colander.null)
 
 
-def includeme(config):
+def defaults(config, **kwargs):
+    base = globals()
+
+    ReceivingBatchView = kwargs.get('ReceivingBatchView', base['ReceivingBatchView'])
     ReceivingBatchView.defaults(config)
+
+
+def includeme(config):
+    defaults(config)