Do not update RTree while dragging vertices
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
Merge pull request #1875 from ahocevar/modify-performance

Do not update RTree while dragging vertices
Move function declaration out of the constructor
Store touch coordinates as ol.Pixel instead of goog.math.Coordinate
Cache the result of goog.object.getCount
Remove trailing newlines
Remove unused ol.pointer.PointerEvent#originalEvent
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