Import from Yannyezixin/freshmen@master.

Related to #12.
重新调整目录结构。
添加 vendor 目录。
清除不应该加入版本控制的内容。
更新 composer 描述。
添加部署文件夹。
Add server's nginx configurations
Merge pull request #13 from bcho/develop

Add server's nginx configurations
add the group of edit
add the controller's function of edit
add the link of wysiwyg.js
add the js of Edit_Artical_part.php
add the a to edit_artical.php
the migrate of nignx
Merge pull request #14 from Yannyezixin/develop

:shipit:
add the route of remove artical
add the controller of remove artical ,still not finish
something wrong
add the URL to romeve artical and js's confirm
change the attribute of artical's