add zh-CN language
Merge pull request #10 from songlipeng2003/add_zh_cn

add zh-CN language
Update bootstap-gtreetable.zh-CN.js
Update bootstap-gtreetable.zh-CN.js
Update bootstap-gtreetable.zh-CN.min.js
Changed multiselect -> selectLimit
Changed multiselect -> selectLimit
Merge branch 'master' of https://github.com/gilek/bootstrap-gtreetable into 2.2.0-alpha
Fixed translations. Changed multiselect property to selectLimit