优化detect
修改demo，修复某些浏览器上不显示demo的bug
优化size报表
优化detect, 添加对baidu broswer检测
fix confict
Merge pull request #57 from liaoxuezhi/dev-refactor

detect修改
根据代码规范，调整highlight代码
Merge remote-tracking branch 'gmuteam/dev-refactor' into dev-refactor
删除convert.js
清理老的build工具
调整打包工具
添加新的task
Merge pull request #58 from liaoxuezhi/dev-refactor

打包工具切成grunt
[bugfix] modify build fis