add zh-cn language

Translates roughly 1/3
add zh-cn language 2

add zh-cn language 2
add zh-cn language 3

add zh-cn language 3
and vs 2012 sln file.
language 4
edit string.js

edit string.js
Merge pull request #1 from yodfz/zh-cn/yodfz

Zh cn/yodfz