Fix code styles and user refreshToken might need update when accessToken not match

lib/auth.js

@@ -31,6 +31,7 @@ function callback(accessToken, refreshToken, profile, done) {
                 return done(null, user);
             }
             user.accessToken = accessToken;
+            user.refreshToken = refreshToken;
             user.save().then(function () {
                 if (config.debug)
                     logger.info('user login: ' + user.id);