Initial commit
1.4.5 更改url生成方式，避免因插件目录名称不同而导致404错误。增加对WP 3.9.1支持。修改对WP_http的调用方式。
Merge branch 'master' of gitcafe.com:ihacklog/Wordpress-plugin-for-UPYUN
renamed README.markdown to README.md
fixed screenshorts image src in README.md
更新README.md