Process all geojson files in the specified folder

• upgrade old globProps properties to the latest standard; values are set to default ("Start", "End", 0, 0, 0, 0)

• put single stand-alone Features in a FeatureCollection

No folder specified!

Format:

https://www.yoursite.dk/!gjupdate.php?dir=path_to_folder

URL parameters:

• dir:   

  Relative path to the geoJSON files folder.

  ?dir=./

  means the current folder.