openlayers/ol3 — pull request #945 by ahocevar (2013-08-30 14:28:20+00:00)
Title: Follow-up improvements for #897

* Interaction is no goog.Disposable any more.
* Permanent cleanup during selection instead of disposeInternal.
* Moved selectionLayers creation outside feature loop.
* Maintain selectedFeatures and unselectedFeatures only for
layers that have a setRenderIntent method.