* adjust code format.
 * adjust the thread->edit page.
 * adjust thread post logic.
 * rewite the getList() logic.
 * rewrite the saveCookie() method.
 * change db structure.
 * revert the process() method.
 * adjust the user->thread and user->reply pages.
 + add the support of locate for ajaxDeleter.
 * adjust the delete logic.