Add urls option to ol.source.VectorFile
Add urls option to ol.source.GeoJSON
Add urls option to ol.source.KML
Add urls option to ol.source.KML
Use urls option in igc example
Display attributions and logos for vector sources
Fix 'singleclick' in kml-timezones and kml-earthquakes examples
Add ol.render.IRender#drawAsync
Add ol.render.canvas.Immediate#drawAsync
Add ol.render.webgl.Immediate#drawAsync
Add ol.render.canvas.Replay#drawAsync
Use drawAsync in render box
Use drawAsync in canvas Immediate#drawFeature
Merge pull request #1470 from twpayne/vector-api-attributions

[vector-api] Display attributions and logos for vector sources
Merge pull request #1473 from elemoine/vector-api-zindex

[vector-api] Make canvas immediate API support zIndex
Merge pull request #1454 from twpayne/vector-api-vector-file-urls

[vector-api] Add urls option to ol.source.VectorFile
Merge pull request #1472 from fredj/vector-api-singleclick-examples

Fix 'singleclick' in kml-timezones and kml-earthquakes examples
snapshot