Audio play kit

中文：后续会加入另外组件：
1、语音播放组件（实现松耦合，可播放远程和本地），现在集成在XHAudioZoom里面
2、视频播放组件（实现松耦合，可播放远程和本地），现在继承在XHVideoZoom里面

English：
In the future will join the other components:
1, voice play kit (to achieve loose coupling, can play the remote and
local), are now integrated in XHAudioZoom
2, video playback kit (achieve loose coupling, can play the remote and
local), now in XHVideoZoom inheritance