modify cfr_test to cfr_module

-var express = require('express');
-var app = express();
-var client_id = 'v3M4wjolGLkrvNA3GUIW';
-var client_secret = 'fKF6vjkWhE';
-var fs = require('fs');
-//var bodyParser=require('body-parser');
-//app.use(bodyParser.json());
-
-app.get('/', function (req, res) {
-   var request = require('request');
-   //var api_url = 'https://openapi.naver.com/v1/vision/celebrity'; // 유명인 인식
-   var api_url = 'https://openapi.naver.com/v1/vision/face'; // 얼굴 감지
-
-   var _formData = {
-     image:'image',
-     image: fs.createReadStream(__dirname + "\\사진\\IU.jpg") // FILE 이름
-   };
-    var _req = request.post(
-      { url:api_url, 
-        formData:_formData,
-        headers: {'X-Naver-Client-Id':client_id,
-                 'X-Naver-Client-Secret': client_secret}
-      }, (err,response,body) =>{
-       console.log(response.statusCode) // 200
-       console.log(response.headers['content-type'])
-
-       data=JSON.parse(body);
-       gender=data.faces[0].gender.value;
-       emotion=data.faces[0].emotion.value
-       console.log(emotion);
-    });
-    console.log( request.head );
-    _req.pipe(res); // 브라우저로 출력
- });
-
- app.listen(8080, function () {
-   console.log('http://127.0.0.1:8080 app listening on port 8080!');
- });
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