Moved feature.GeoJSON_clone to feature.properties.

This works nicer if GeoJSON_clone is already used as an xml column table.
Fixed similar geometry search in combination w/GeoJSON_clone.

I should probably delete the entire file now because it looks like a convoluted
mess. Who on earth is supposed to understand this??
The (pretty useless) functionality makes sense on the other hand because even
if geometry was cloned, the map is suggesting geometry that looks like the
cloned one.
Fixed similar geometry selection in combination w/GeoJSON_clone.

There was a distinction missing between new and cloned geometry (that is enough
explanation for this matter). The whole script looks worse than before though.