message: add support for staging and testnet in hermes
diff: @@ -61,7 +61,7 @@ fn main() {
  .required(false)
  .multiple(true)
  .default_value("mainnet")
  - .possible_values(&["mainnet", "testnet"])
  + .possible_values(&["mainnet", "staging", "testnet"])
  )
  .arg(Arg::with_name("no-sync")
  .long("no-sync")
  @@ -87,6 +87,7 @@ fn main() {
  for template in args.values_of("TEMPLATE").unwrap() {
  let net_cfg = match template {
  "mainnet" => { net::Config::mainnet() },
  + "staging" => { net::Config::staging() },
  "testnet" => { net::Config::testnet() },
  _ => {
  // we do not support custom template yet.
  