[#362,view/map][s]: disable auto-turn on of map clustering above a certain number of points - fixes #362.

src/view.map.js

@@ -28,6 +28,8 @@ this.recline.View = this.recline.View || {};
 //     latField: {id of field containing latitude in the dataset}
 //     autoZoom: true,
 //     // use cluster support
+//     // cluster: true = always on
+//     // cluster: false = always off
 //     cluster: false
 //   }
 // </pre>
@@ -217,15 +219,6 @@ my.Map = Backbone.View.extend({
         this._remove(doc);
       }
 
-      // enable clustering if there is a large number of markers
-      var countAfter = 0;
-      this.features.eachLayer(function(){countAfter++;});
-      var sizeIncreased = countAfter - countBefore > 0;
-      if (!this.state.get('cluster') && countAfter > 64 && sizeIncreased) {
-        this.state.set({cluster: true});
-        return;
-      }
-
       // this must come before zooming!
       // if not: errors when using e.g. circle markers like
       // "Cannot call method 'project' of undefined"