code: @SuppressWarnings("static-method")
  	@Provides
  	@Singleton
  	public Log4jIntegrationConfig getLog4jIntegrationConfig(ConfigurationFactory configFactory, Injector injector) {
  		final Log4jIntegrationConfig config = Log4jIntegrationConfig.getConfiguration(configFactory);
  		injector.injectMembers(config);
  		return config;
  	}
docs: Replies the instance of the log4j integration configuration..
  
  @param configFactory accessor to the bootique factory.
  @param injector the current injector.
  @return the configuration accessor.