Avoid duplicate change event on visibility change
Remove unused handleLayerVisibleChange
Test change events on layer groups
Add ol.source.VectorFile
Add ol.source.GeoJSON
Use ol.source.GeoJSON in geojson example
Use ol.source.GeoJSON in icon example
Use ol.source.GeoJSON in vector-layer example
Use ol.source.GeoJSON in complex-geometry example
Merge pull request #1353 from twpayne/vector-api-format

[vector-api] ol.format.Format
Hit detect rotated features
Merge pull request #1354 from elemoine/vector-api-hit-rotation

[vector-api] hit detect rotated features
Rename reversedInstructions array to hitDetectionInstructions
Rename reverseInstructions_ function to reverseHitDetectionInstructions_
Rename replayBackward functions to replayHitDetection
Rename replayForward functions to replay
Always fill polygons for hit detection
Factor out ol.geom.SimpleGeometry
Add ol.geom.Geometry#clone
Implement clone for simple geometries