修改了个bug，添了个我的需求

[howello]

1、判断是否是http有问题，http和https都是true； 2、添加了移除媒体后缀的方法，方便需要缓存媒体的需求

[yale8848]

http maybe use by some user，so i think support http is ok，if you want only support https , just use setResourceInterceptor.