message: add back first_byte_timeout and between_bytes_timeout to match openshift haproxy.
diff: @@ -23,6 +23,8 @@ acl purge {
  sub vcl_init {
  new www_dir = dynamic.director(
  port = "${VARNISH_BACKEND_PORT:-8080}",
  + first_byte_timeout = 90s,
  + between_bytes_timeout = 90s,
  whitelist = purge,
  ttl = 60s);
  }
  