Add ol.format.XSD
Add ol.format.GPX
Add ol.source.GPX
Add gpx example
Remove old gpx example data
Add styleFunction option to ol.interaction.DragAndDrop
Add default style function to drag-and-drop example
Add GPX files to drag-and-drop example
Add IGC files to drag-and-drop example
Add GeoJSON to drag-and-drop example
Add TopoJSON to drag-and-drop-example
Merge pull request #1541 from twpayne/vector-api-gpx

[vector-api] Add ol.format.GPX