Refactor ol.format.XML
Add ol.format.Format#getExtensions
Add ol.format.GeoJSON#getExtensions
Add ol.xml
Add ol.format.KML
Add ol.source.KML
Add kml-timezones example
Ensure that features in example KML data are visible
Correct styleUrls in example KML data
Add kml example
Use more interesting data in KML example
Add kml-earthquakes example
Add ol.format.KML#readName
Add ol.interaction.DragAndDrop
Add drag-and-drop example
Merge pull request #1368 from twpayne/vector-api-kml

[vector-api] ol.format.KML