Create ArticleActionClass.php

Add The ArticleActionClass.php (新建笔记类)
Create UserActionClass.php

Add the UserActionClass.php (注册用户类)
Rename ArticleActionClass.php to ArticleAction.class.php
Rename UserActionClass.php to UserAction.class.php
Add IndexAction.class.php

主页
Delete ArticleAction.class.php
Revert "Add IndexAction.class.php"

This reverts commit c0c7e04b104918ade34247b2a768ee3ffd31eeb8.
Add css file and js file

inclule some image
Merge pull request #1 from Maple-Flying/T1

T1