Allow views to skip configures

To do this properly, the transaction queue will only be processed if it
can be completely processed.

common/list.c

@@ -62,6 +62,13 @@ void list_cat(list_t *list, list_t *source) {
 	}
 }
 
+void list_empty(list_t *list) {
+	list->capacity = 10;
+	list->length = 0;
+	free(list->items);
+	list->items = malloc(sizeof(void*) * list->capacity);
+}
+
 void list_qsort(list_t *list, int compare(const void *left, const void *right)) {
 	qsort(list->items, list->length, sizeof(void *), compare);
 }