Chinese translation for release 0.11.4

I found you modify string.xml and preferences.xml. Therefore is unable
to run in other locales.Here is the new Chinese translation for release
0.11.4
![20130731173527](https://f.cloud.github.com/assets/4685525/884985/90932f00-f9c4-11e2-9478-322ec0bd6cdc.png)