Fix date calculation in ol.format.IGC
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 #1543 from twpayne/vector-api-igc-fix-time

[vector-api] Fix date calculation in ol.format.IGC
Merge pull request #1528 from elemoine/vector-api-foreachfeature

[vector-api] Change forEachFeatureAtPixel signature
Merge pull request #1541 from twpayne/vector-api-gpx

[vector-api] Add ol.format.GPX
Merge pull request #1545 from openlayers/vector-api

Merge vector-api branch into master
Add ol.source.ImageWMS#getGetFeatureInfoUrl
Add tests for ol.source.ImageWMS#getGetFeatureInfoUrl
Add GetFeatureInfo example
Add ol.source.TileWMS#getGetFeatureInfoUrl