Account page refactor

- production环境下测试通过
- 将原有/account页面拆分为两个页面，添加菜单项，同时修改了component中的menu，添加了一个section类
![image](https://f.cloud.github.com/assets/1963646/1020830/b097c6a4-0cc9-11e3-90ce-d81b7b874100.png)
- 添加boxed group
![image](https://f.cloud.github.com/assets/1963646/1020831/de88aa10-0cc9-11e3-8fd5-f3636d267e43.png)
![image](https://f.cloud.github.com/assets/1963646/1020832/fc7bd092-0cc9-11e3-911e-f381241fad9b.png)