身份检测cordova插件

调用方式：

```
1.实名认证
cordova.plugins.IdCardPlugin.idCardIdentify({"idNum":"身份证号码","idName":"姓名","phoneNum":"手机号"}, function (success) {}, function (reason) {});

2.人脸对比    成功回调返回人脸照片路径
cordova.plugins.IdCardPlugin.faceContrast({"idNum":"身份证号码","idName":"姓名"}, function (success) {}, function (reason) {});
```

