renmae label to innerHTML
fix 非jpeg图片预览问题
update dist
update uploader.swf
add dnd accept event
switch to node v0.10.24
fix ios7 draw image issue
update dist
change node version
1.增加判断浏览器是否支持图片的base64.
2.增加检测浏览器是否安装flash，或flash版本低于11.xx.
3.当浏览器不支持base64时，给出替代方案.
4.修改拖拽不接受的js的类型.
Merge pull request #183 from duanlixin/master

判断base64 检测flash

感谢，补充得很赞
add file arguments to trigger
optimize when there's no pipe function in promise
Merge remote-tracking branch 'upstream/master'
update home page
update doc
update doc
fix ie detect issue
update dist
add tips while the browser don't support webuploader