Skipped features replaces RenderGeometryFunction
Update select-features example styles
Skip features in select interaction
Check for null layers (for postcompose hitdetection)
Map stores skippedFeatures instead of layers
Name frameState skippedFeaturesIds as private
Trigger render on skippedFeatures change
Use a hash to store features uids
Coding style
Better type checking in ol.Map
Better API doc strings in ol.Map
Rename skippedFeaturesHash to skippedFeatureUids
Remove the getSkippedFeatureUids function
Separate test example from modify example
Merge pull request #1887 from tschaub/editing-examples

Separate test example from modify example.
Fix MapQuest source when using https
Merge pull request #1877 from tonio/skip_features

Replace renderGeometryFunction by skippedFeatures
Merge pull request #1878 from bartvde/mapquest-https

MapQuest HTTPS problem (r=@fredj)
Take pixel ratio into account in layer-spy example
Merge pull request #1889 from twpayne/layer-spy-pixel-ratio

Take pixel ratio into account in layer-spy example