code: public String mapValidationAnnotation(String annotation, String defaultAnnotation) {
  		String key = "validation.annotation." + toFirstUpper(annotation);
  		if (hasProperty(key)) {
  			return getProperty(key);
  		} else {
  			return defaultAnnotation;
  		}
  	}
docs: Gets a single validation annotation from properties.
  
  @param annotation
  shortcut for annotation
  @param defaultAnnotation
  default annotation in case annotation could not be found
  @return fully qualified Annotation Class (without leading @)