message: Set default model ensemble
  This was chosen through a greedy search and gets very close to the same
  performance of the all ensemble with only 5 models that fit within 4GB
diff: @@ -66,31 +66,13 @@ CNNScorer::CNNScorer(const cnn_options &opts) :
  if (cnnopts.cnn_model_names.size() == 0 && cnnopts.cnn_models.size() == 0)
  {
  //not specified, use a default ensemble
  - //omit 2017 since it is missing atom types
  - cnnopts.cnn_model_names.push_back(default_model_name);
  - /*
  - cnnopts.cnn_model_names.push_back("crossdock_default2018");
  - cnnopts.cnn_model_names.push_back("crossdock_default2018_1");
  - cnnopts.cnn_model_names.push_back("crossdock_default2018_2");
  - cnnopts.cnn_model_names.push_back("crossdock_default2018_3");
  - cnnopts.cnn_model_names.push_back("crossdock_default2018_4");
  - // cnnopts.cnn_model_names.push_back("default2017"); NO GENERIC METAL
  + //this has been selected to provide the best docking performance
  + //with a minimal amount of models
  cnnopts.cnn_model_names.push_back("dense");
  - cnnopts.cnn_model_names.push_back("dense_1");
  - cnnopts.cnn_model_names.push_back("dense_2");
  - cnnopts.cnn_model_names.push_back("dense_3");
  - cnnopts.cnn_model_names.push_back("dense_4");
  - cnnopts.cnn_model_names.push_back("general_default2018");
  - cnnopts.cnn_model_names.push_back("general_default2018_1");
  - cnnopts.cnn_model_names.push_back("general_default2018_2");
  cnnopts.cnn_model_names.push_back("general_default2018_3");
  - cnnopts.cnn_model_names.push_back("general_default2018_4");
  - cnnopts.cnn_model_names.push_back("redock_default2018");
  - cnnopts.cnn_model_names.push_back("redock_default2018_1");
  + cnnopts.cnn_model_names.push_back("dense_3");
  + cnnopts.cnn_model_names.push_back("crossdock_default2018");
  cnnopts.cnn_model_names.push_back("redock_default2018_2");
  - cnnopts.cnn_model_names.push_back("redock_default2018_3");
  - cnnopts.cnn_model_names.push_back("redock_default2018_4");
  - */
  }
  if (cnnopts.cnn_models.size() != cnnopts.cnn_weights.size())
  