[gdal] use new external gdalwrap

sed -i.bak -e "s/gladys/gdalwrap/g" src/*.cpp
sed -i.bak -e "s/gladys/gdalwrap/g" include/clara/*.hpp
sed -i.bak -e "s/gdalwrap::gdal::raster/gdalwrap::raster/g" src/*.cpp