Add pixelRatio to ol.source.Image#getImage
Add pixelRatio to ol.source.Image#createImage
Add pixelRatio param to ol.Image constructor
Use the image pixelRatio in ol.renderer.canvas.ImageLayer
Add hidpi option to ol.source.ImageWMS and ol.source.MapGuide
Pass tolerance to ol.render.canvas.ReplayGroup constructor
Pass tolerance to ol.render.canvas.Replay constructors
Always quantize all polygons
Remove export_as handling from generate-exports.py
Do not use export_as for animation exports
Do not use export_as controldefaults exports
Do not use export_as for interactiondefaults exports
Add serverType option to ol.source.ImageWMS constructor
Merge pull request #1367 from fredj/vector-api-hdpi

[vector-api] High dpi devices support
Merge pull request #1409 from twpayne/vector-api-polygon-quantize

[vector-api] Always quantize polygons
goog.require creates a namespace object already
Add ol.BrowserFeature.HAS_WEBGL
Add ol.BrowserFeature.HAS_DEVICE_ORIENTATION
Add ol.BrowserFeature.HAS_GEOLOCATION
Add ol.BrowserFeature.HAS_CANVAS