access_token 인증 방식 변경 대응

@@ -53,7 +53,7 @@ public class Api {
                     conn.setRequestMethod(method);
 
                     if (accessToken != null) {
-                        conn.setRequestProperty("access_token", accessToken);
+                        conn.setRequestProperty("Authorization", "Token " + accessToken);
                     }
 
                     if ("POST".equals(method) || "PUT".equals(method)) {