overwrite "Description" field if more data is supplied
add php page for KML download
add function for KML creation
clean up code
add export functionality
clean up code
XYZ layers (incl. Roman Empire XYZ)
Merge branch 'origin/KML_WMS_overlays'
Merge branch 'origin/piechart_experimental'
Merge branch 'origin/piechart_experimental'
Merge branch 'origin/piechart_experimental'
add KMZ Overlay support
Merge branch 'origin/KML_WMS_overlays'
Merge branch 'origin/piechart_experimental'
Merge branch 'origin/piechart_experimental'
Merge branch 'origin/piechart_experimental'
Merge branch 'piechart_experimental'
Merge branch 'origin/piechart_experimental'
Merge branch 'origin/piechart_experimental'
add Placetable widget prototype