don't include xxx_def.hpp + make rules const
don't include xxx_def.hpp + make rules const

tomhughes/mapnik,mapnik/mapnik,naturalatlas/mapnik,tomhughes/mapnik,mapnik/mapnik,lightmare/mapnik,naturalatlas/mapnik,mapnik/mapnik,mapnik/mapnik,lightmare/mapnik,lightmare/mapnik,lightmare/mapnik,naturalatlas/mapnik,tomhughes/mapnik,naturalatlas/mapnik,tomhughes/mapnik