Remove ol.MapBrowserEvent#stopOtherInteractions

and check for false/true in the return from handleMapBrowserEvent. Refs #791.

src/ol/interaction/interaction.js

@@ -17,6 +17,9 @@ ol.interaction.Interaction = function() {
 
 /**
  * @param {ol.MapBrowserEvent} mapBrowserEvent Map browser event.
+ * @return {boolean} Whether the map browser event should continue
+ *     through the chain of interactions. false means stop, true
+ *     means continue.
  */
 ol.interaction.Interaction.prototype.handleMapBrowserEvent =
     goog.abstractMethod;