Finish polygon drawing on last point
Add some tests for drawing polygons
Remove ol.DragBoxEvent, ol.DrawEvent, ol.ObjectEvent, ol.source.VectorEvent symbols

These objects will never be constructed by the application
Make ol.interaction.DragAndDrop fire an event instead of managing layers and sources
Use ol.interaction.DragAndDrop addfeatures event in drag-and-drop example
Add drag-and-drop-image-vector example
Merge pull request #1577 from twpayne/drag-and-drop-add-features

Make ol.interaction.DragAndDrop fire an 'addfeatures' event
Merge pull request #1561 from oterral/vector-api-dblclick

Draw: Finish Polygon on last point like LineString
Merge pull request #1578 from fredj/exports

Remove ol.DragBoxEvent, ol.DrawEvent, ol.ObjectEvent, ol.source.VectorEvent symbols
Remove old kml example data
Move countries.geojson into geojson subdirectory
Move us.json into topojson subdirectory
Move countries.sld into sld subdirectory
Use ol.format.XSD.readString in ol.format.KML
Add ol.format.XSD.readBoolean function
Use ol.format.XSD.readBoolean in ol.format.KML
Merge pull request #1582 from fredj/kml-cleanup

Kml cleanup
Merge pull request #1584 from twpayne/clean-up-example-data

Clean up example data
Remove unneeded 'ms' param from Date.UTC function
Rename ol.format.KML.readscale_ to ol.format.KML.readScale_