Fixed deleting stream sources

edit.py

@@ -120,6 +120,7 @@ editable_tables = {
 		'editable_fields': {
 			'name': {'type': 'shortstring'},
 			'description': {'type': 'text'},
+			'deleted':  {'type': 'boolean'}
 		},
 		'creationtime_fields': ['created_by', 'time_created', 'time_updated'] }
 	}