[#80670] Download KML
Controlled activation and deactivation of ExportToKML and ExportToSHP when they are
in the InportExportToolbar. Also changed the URL to use for generating KML. However,
there is a bug in Geoserver that produces wrong files for KML format.
Merge pull request #50 from juanluisrp/80670-descarga-kml

[#80670] Download KML