Merge pull request #127 from overlords/master

文字错误
update the documents
add querybuilder doc
add query builder zh-CN doc
Merge pull request #128 from ZhengYang/master

add querybuilder doc
sort order 6 for zh-CN doc
added full api interface for reference
Merge pull request #129 from ZhengYang/master

sort order for zh-CN doc
Merge pull request #1 from beego/master

同步更新