Remove old ol.geom
Remove old ol.Feature
Remove old ol.source.Vector
Remove old ol.layer.Vector
Remove old ol.renderer.canvas.VectorLayer
Remove old ol.interaction.Draw
Remove old ol.parser.KML
Remove old ol.parser.GeoJSON
Remove old ol.parser.TopoJSON
Remove old ol.parser.GPX
Export ol.format.TopoJSON
Merge pull request #1556 from twpayne/export-topojson

Export ol.format.TopoJSON
Merge pull request #1551 from twpayne/remove-old

Remove code from old/ directory
snapshot