Add item_id to trainwreck views

er, add scancode, since item_id was renamed..

tailbone/views/trainwreck.py

@@ -66,7 +66,7 @@ class TransactionView(MasterView):
     row_grid_columns = [
         'sequence',
         'item_type',
-        'item_id',
+        'item_scancode',
         'department_number',
         'description',
         'unit_quantity',
@@ -160,6 +160,7 @@ class TransactionView(MasterView):
         fs.configure(include=[
             fs.sequence,
             fs.item_type,
+            fs.item_scancode,
             fs.item_id,
             fs.department_number,
             fs.description,