kindeditor更换视频上传，支持video-js

H5视频播放很多浏览器无法支持embed，所以对kindediotr进行修改使其支持video poster，前端可以使用video-js进行播放

 属性            大小     日期    时间   名称
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     目录           0  2020-08-10 11:38  kindeditor\
     文件       95227  2020-08-10 11:38  kindeditor\kindeditor-min.js
     目录           0  2020-08-10 09:29  kindeditor\lang\
     文件        9838  2016-03-31 19:47  kindeditor\lang\ar.js
     文件        8257  2020-08-10 09:26  kindeditor\lang\en.js
     文件        8853  2016-03-31 19:47  kindeditor\lang\ko.js
     文件       10895  2016-03-31 19:47  kindeditor\lang\ru.js
     文件        8560  2020-08-10 09:26  kindeditor\lang\zh-CN.js
     文件        8333  2016-03-31 19:47  kindeditor\lang\zh-TW.js
     文件        8556  2020-08-10 09:29  kindeditor\lang\zh_CN.js
     目录           0  2020-08-04 08:32  kindeditor\plugins\
     目录           0  2020-08-04 08:32  kindeditor\plugins\anchor\
     文件        1467  2016-03-31 19:47  kindeditor\plugins\anchor\anchor.js
     目录           0  2014-12-28 21:59  kindeditor\plugins\autoheight\
     文件        1478  2016-03-31 19:47  kindeditor\plugins\autoheight\autoheight.js
     目录           0  2014-12-28 21:59  kindeditor\plugins\baidumap\
     文件        3393  2016-03-31 19:47  kindeditor\plugins\baidumap\baidumap.js
     文件        3440  2016-03-31 19:47  kindeditor\plugins\baidumap\index.html
     文件        1179  2016-03-31 19:47  kindeditor\plugins\baidumap\map.html
     目录           0  2020-07-17 13:12  kindeditor\plugins\clearhtml\
     文件        1185  2016-03-31 19:47  kindeditor\plugins\clearhtml\clearhtml.js
     目录           0  2014-12-28 21:59  kindeditor\plugins\code\
     文件        2192  2016-03-31 19:47  kindeditor\plugins\code\code.js
     文件         960  2016-03-31 19:47  kindeditor\plugins\code\prettify.css
     文件       13632  2016-03-31 19:47  kindeditor\plugins\code\prettify.js
     目录           0  2020-08-04 08:32  kindeditor\plugins\emoticons\
     文件        4065  2016-03-31 19:47  kindeditor\plugins\emoticons\emoticons.js
     目录           0  2020-08-04 08:32  kindeditor\plugins\emoticons\images\
     文件        1810  2016-03-31 19:47  kindeditor\plugins\emoticons\images\0.gif
     文件        1582  2016-03-31 19:47  kindeditor\plugins\emoticons\images\1.gif
     文件        3716  2016-03-31 19:47  kindeditor\plugins\emoticons\images\10.gif
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