code: private DocumentedFeature getDocumentedFeatureForClass(final Class<?> clazz) {
          if (clazz != null && clazz.isAnnotationPresent(DocumentedFeature.class)) {
              return clazz.getAnnotation(DocumentedFeature.class);
          }
          else {
              return null;
          }
      }
docs: Returns the instantiated DocumentedFeature that describes the doc for this class.
  
  @param clazz
  @return DocumentedFeature, or null if this classDoc shouldn't be included/documented