8ac8952729
* refactors API geometry processing to use GeoJsonValidator and GeometryProcessor just like SimpleGeomForm * moves cast_to_multipolygon, cast_to_rlp_srid, flatten_geom_to_2D, is_valid_4326 and is_area_valid into GeometryProcessor * adds changeable SRID to GeoJsonValidator constructor * updates test data * updates test cases