Translation of Simplified Chinese

After some days and nights, I've made a translation of simplified Chinese. Current homepage of the site contains pages of different languages. I've fixed this issue by adding localized html templates. I've also add links to page header to switch language. Here is what a page of Chinese translation looks like.

![image-11-24-14-at-11 50-pm](https://cloud.githubusercontent.com/assets/2053617/5167726/07ca4b08-7435-11e4-8c6c-3d4d73d5f770.jpg)

Hope it would help. Mail me (huangxiaozhe1988@gmail.com) if you want.