Give access to the Ext JS configuration parameters of a store.

modules/plugin_dbui/converter.py

@@ -578,6 +578,9 @@ def to_jsonstore(table, **kwargs):
                 field, dir = el.first, 'DESC'
 
             base_params['orderby'].append([field.tablename, field.name, dir])
+
+        # configuration option from the grid modifier
+        cfg.update(modifier_stores[tablename].extjs)
             
             
     # configuration options from the keyword arguments