gistfile1.js

  reset: function(){
          var funcs = [],
              self = this,
              jsons = [
                ['default-widgets.json', Widgets, 'default-widgets'],
                //['audio.json', AudioList, 'audio'],
                ['departures.json', Locations, 'departures'],
                ['destinations.json', Locations, 'destinations'],
                ['stops.json', Locations, 'stops'],
                ['trends.json', Trends, 'trends'],
              ];

          _.each(amplify.store(), function( val, key, obj ){
            amplify.store( key, null );
          });

          _.each(jsons, function( ele, i, list){
              funcs[i] = function() {
                $.getJSON(ele[0], function(data){
                  var coll = new ele[1](data, {store: ele[2]});
                  coll.each(function(model){
                    model.save();
                  });
               });
              }
          });

          $.when( _.each(funcs, function(func){ return func(); }) )
            .then( function(){ self.navigate('', true); });

        },