Tweak some customer view/field rendering, to allow more customization

tailbone/views/customers.py

@@ -47,8 +47,7 @@ class CustomersView(MasterView):
     model_class = model.Customer
     supports_mobile = True
 
-    def configure_grid(self, g):
-
+    def _preconfigure_grid(self, g):
         g.joiners['email'] = lambda q: q.outerjoin(model.CustomerEmailAddress, sa.and_(
             model.CustomerEmailAddress.parent_uuid == model.Customer.uuid,
             model.CustomerEmailAddress.preference == 1))
@@ -73,9 +72,11 @@ class CustomersView(MasterView):
 
         g.default_sortkey = 'name'
 
+    def configure_grid(self, g):
         g.configure(
             include=[
                 g.id.label("ID"),
+                g.number,
                 g.name,
                 g.phone.label("Phone Number"),
                 g.email.label("Email Address"),