saberma/19wu — pull request #335 by saberma (2013-05-10 14:37:35+00:00)
Title: 首页增加特色描述 #320

如下图：
![homepage-feature-description](https://f.cloud.github.com/assets/15178/488457/1a5ae330-b97f-11e2-9b2e-b36bf3d84521.png)

#320