message: rename tokens to amount
diff: @@ -1254,7 +1254,7 @@ struct buyram_subcommand {
  auto buyram = actionRoot->add_subcommand("buyram", localized("Buy RAM"));
  buyram->add_option("payer", from_str, localized("The account paying for RAM"))->required();
  buyram->add_option("receiver", receiver_str, localized("The account receiving bought RAM"))->required();
  - buyram->add_option("tokens", amount, localized("The amount of EOS to pay for RAM, or number of kbytes of RAM if --kbytes is set"))->required();
  + buyram->add_option("amount", amount, localized("The amount of EOS to pay for RAM, or number of kbytes of RAM if --kbytes is set"))->required();
  buyram->add_flag("--kbytes,-k", kbytes, localized("buyram in number of kbytes"));
  add_standard_transaction_options(buyram);
  buyram->set_callback([this] {
  