Merge branch 'develop' of ssh://khuhub.khu.ac.kr:12959/2015104204/OSS_Project_Chatbot into develop

@@ -72,9 +72,12 @@ function handleEvent(event) {
 
 
         //번역은 한국어->영어 / 영어->한국어만 지원
-        if(detect_body.langCode == 'ko'||detect_body.langCode == 'en'){
-          source = detect_body.langCode == 'ko' ? 'ko':'en';
-          target = source == 'ko' ? 'en':'ko';
+        if(detect_body.langCode == 'ko'||detect_body.langCode == 'en'||detect_body.langCode=='ru'||detect_body.langCode=='ja'){
+          source = detect_body.langCode;
+          if(source!='ko'){
+            target='ko';
+          }
+        //  target = source == 'ko' ? 'en':'ko';
           //papago 번역 option
           var options = {
               url:  translate_api_url,
@@ -102,7 +105,7 @@ function handleEvent(event) {
         else{
           result.text = '언어를 감지할 수 없습니다. \n 번역 언어는 한글 또는 영어만 가능합니다.';
           client.replyMessage(event.replyToken,result).then(resolve).catch(reject);
-        } 
+        }
 
       }