message: Remove depcreated warning on startup
diff: @@ -66,10 +66,10 @@ export class Server {
  }
  start() {
  - mongoose.connect(config.database);
  + mongoose.connect(config.database, {useNewUrlParser: true});
  - // Request logger
  this.app.use(morgan('combined'));
  +
  const server = this.app.listen(config.port, () => {
  process.stdout.write('Server successfully started at port ' + config.port);
  });
  