add package
fix dependencies
update readme
add wtfpl url
add travis
update readme
update readme
add mocha jscover
add mocha opts
add code style
增加基本目录结构
增加log
Merge pull request #3 from junyuecao/master

Merge pull request #1 from xiaojue/master
Merge pull request #2 from xiaojue/master

合并代码