message: Make net_plugin a default plugin again
  This got lost somewhere during the merge
diff: @@ -37,7 +37,7 @@ int main(int argc, char** argv)
  app().register_plugin<net_api_plugin>();
  app().register_plugin<txn_test_gen_plugin>();
  app().register_plugin<wallet_api_plugin>();
  - if(!app().initialize<chain_plugin, http_plugin>(argc, argv))
  + if(!app().initialize<chain_plugin, http_plugin, net_plugin>(argc, argv))
  return -1;
  app().startup();
  app().exec();
  