Merge pull request #3 from sjtug/zs

user.js
中文
Merge pull request #8 from sjtug/zs

登录注册页面中文
Merge pull request #9 from sjtug/chase

Finish routers
user logout
Merge branch 'master' of https://github.com/sjtug/bkr
added function fetchBookInfo

fetchBookInfo=function(isbn,callback)
Merge pull request #14 from Nihiue/master

added function fetchBookInfo
add gravatar.js