Add GeoJSON example
Add more FIXMEs
Buffer batch group extent
Handle vector layer opacity
Add ol.style.stroke.equals
Avoid stroke state changes
Implement ol.replay.canvas.BatchGroup#isEmpty
Add ol.replay.IBatchGroup#finish
Precalculate more instructions
Export ol.source.Vector
Export ol.source.GeoJSON
Export ol.source.Vector
Re-use batches when animating or interacting
Allow comparison of null stroke styles
Add ol.style.fill.equals
Allow styles to be null
Don't draw lines when stroke style is null
Change default fill style
Factor out appendCoordinates_
Add support for polygons to canvas replay