加入進度條顯示

Signed-off-by: Eric <doshajou@gmail.com>
修改刪除節點時的小錯誤

- 刪除節點時也會自動UPD一次

Signed-off-by: Eric <doshajou@gmail.com>
Merge branch '18-knowledge-map-fun' into test

Conflicts:
	apps/views/view/exam/exam/childList.php
知識結構可直接跳至考試頁

Signed-off-by: Eric <doshajou@gmail.com>