code: public static <M extends Model> FXMLComponentBase loadFXML(final M model, final String fxmlPath) {
          return loadFXML(model, fxmlPath, null);
      }
docs: Load a FXML component without resource bundle.
  
  The fxml path could be :
  <ul>
  <li>Relative : fxml file will be loaded with the classloader of the given model class</li>
  <li>Absolute : fxml file will be loaded with default thread class loader, packages must be separated by / character</li>
  </ul>
  
  @param model the model that will manage the fxml node
  @param fxmlPath the fxml string path
  
  @return a FXMLComponent object that wrap a fxml node with its controller
  
  @param <M> the model type that will manage this fxml node