message: Fix svg design
diff: @@ -230,13 +230,12 @@ namespace {
  public:
  virtual ~SVGIOHandler() = default;
  - virtual bool load( const std::string& filename, GeoModel< 2 >& geomodel ) final
  + void load( const std::string& filename, GeoModel< 2 >& geomodel ) final
  {
  GeoModelBuilderSVG builder( geomodel, filename );
  builder.build_geomodel();
  - return is_geomodel_valid( geomodel );
  }
  - virtual void save(
  + void save(
  const GeoModel< 2 >& geomodel,
  const std::string& filename ) final
  {
  