Improve SpringStepsFactory to allow delegating the CandidateStep creation to other factories

addSteps(new ParameterConverterStepsFactory().createCandidateSteps( new SpringStepsFactory(context).createStepsInstances() ));

public class SpringStepsFactory {
    private final ListableBeanFactory parent;
    
    public SpringStepsFactory(ListableBeanFactory parent) {    	
    	this.parent = parent;
    }

    public Object[] createStepsInstances() {
        List<Object> steps = new ArrayList<Object>();
        for (String name : parent.getBeanDefinitionNames()) {
            Object bean = parent.getBean(name);
            if (containsScenarioAnnotations(bean.getClass())) {
                steps.add(bean);
            }
        }
        return steps.toArray(new Object[steps.size()]);
    }
       
    private boolean containsScenarioAnnotations(Class<?> componentClass) {
        for (Method method : componentClass.getMethods()) {
            for (Annotation annotation : method.getAnnotations()) {
                if (annotation.annotationType().getName().startsWith("org.jbehave.scenario.annotations")) {
                    return true;
                }
            }
        }
        return false;
    }
}