Finagle default HttpClient configured with timeouts and retry filters

FinalgeHttpClientWithRetries

val retry = new RetryingFilter[HttpRequest, HttpResponse](
    retryPolicy = RetryPolicy.tries(3),
    timer = DefaultTimer.twitter
  )

  val timeout = new TimeoutFilter[HttpRequest, HttpResponse](
    timeout = 3.seconds,
    timer = DefaultTimer.twitter
  )

  private lazy val client = retry andThen timeout andThen Http.newService(servers.mkString(","))