Rename ol.Map#render to ol.Map#renderSync
Rename ol.Map#requestRenderFrame to ol.Map#render
Switch to asynchronous rendering by default
Handle asynchronous rendering in tests
Add ol.Map#isRendered
Only render overlays if the map is rendered
Add useInterimTilesOnError property to ol.layer.Tile
Activate useInterimTilesOnError in ol.renderer.canvas.TileLayer
Activate useInterimTilesOnError in ol.renderer.webgl.TileLayer
Activate useInterimTilesOnError in ol.renderer.dom.TileLayer
Make ZoomToExtent listen on button click

& not its container
Fix chrome not to blur on mouseout/focusout

may be related to https://code.google.com/p/chromium/issues/detail?id=321264 ?
Merge pull request #1757 from twpayne/interim-tiles-on-error

Add option to use interim tiles on tile errors
Fix type error in ol.layer.Vector
Fix type error in ol.layer.Layer
Merge pull request #1751 from elemoine/vectorlayer

Fix type error in ol.layer.Vector
Remove stray comma
Remove trailing whitespace
Export #drawCircleGeometry()

Especially with the immediate API, it is convenient to be able
to draw cirlces.
Merge pull request #1761 from tonio/chrome_buttons

Fix button tips not disappearing on Chrome