Add new "v3" grids, refactor all views to use them

or at least that's the idea..hopefully we caught them all

tailbone/views/purchasing/ordering.py

@@ -51,6 +51,23 @@ class OrderingBatchView(PurchasingBatchView):
     model_title = "Ordering Batch"
     model_title_plural = "Ordering Batches"
 
+    row_grid_columns = [
+        'sequence',
+        'upc',
+        # 'item_id',
+        'brand_name',
+        'description',
+        'size',
+        'cases_ordered',
+        'units_ordered',
+        # 'cases_received',
+        # 'units_received',
+        'po_total',
+        # 'invoice_total',
+        # 'credits',
+        'status_code',
+    ]
+
     order_form_header_columns = [
         "UPC",
         "Brand",