code: public void initialize() {
  		// Registra todos los servicios disponibles
  		serviceManager = new ServiceConfigurationManager();
  
  		registerRequestServices();
  
  		JPEParserManager.getInstance().registerJPEParser(new JSONJPEParser());
  		JPEParserManager.getInstance().registerJPEParser(new XMLJPEParser());
  		JPEParserManager.getInstance().registerJPEParser(new CSVParser());
  		JPEParserManager.getInstance().registerJPEParser(new KMLParser());
  	}
docs: Instantiates the {@link ServiceConfigurationManager} that loads the
  services available at
  {@link ServiceConfigurationManager#CONFIGURATION_DIR}
  
  Registers a {@link JSONJPEParser} and a {@link XMLJPEParser} to allow
  parsing either json or xml depending on the format response of the
  registered services
  
  And finally instantiates a {@link GeoJSONWriter} that will return the
  GeoJSON document