text: define(['marionette'], function (Marionette, statsTemplate) {
    "use strict";
  
    return Marionette.View.extend({
      tagName : 'span',
      initialize : function() {
        this.bindTo(this.collection, 'all', this.render, this);
      },
      render : function() {
        this.$el.html(this.collection.getActive().length);
      }
    });
  
  });