title: Highmaps/Highcharts setData not changing
body: <p>Trying to change the data on a highmap when a dropdown selection is made but cannot seem to get it to work.  I think I might be calling it on the wrong thing(?)  I know the change() is getting called but the data points never swap.</p>
  
  <p><a href="http://jsfiddle.net/bgrantdev/kqck12da/" rel="nofollow">jsfiddle</a></p>
  
  <pre><code>$(function () {
  // Initiate the chart
  $('#chart').highcharts('Map', {
  
      title: {
          text: 'Highmaps basic lat/lon demo'
      },
  
      mapNavigation: {
          enabled: true
      },
  
      tooltip: {
          headerFormat: '',
          pointFormat: '&lt;b&gt;{point.name}&lt;/b&gt;&lt;br&gt;{point.z} Deliveries'
      },
      legend: {
          enabled: false
      },
      series: [{
          // Use the gb-all map with no data as a basemap
          mapData: Highcharts.maps['countries/us/custom/us-all-territories'],
          name: 'Basemap',
          borderColor: '#A0A0A0',
          nullColor: 'rgba(200, 200, 200, 0.3)',
          showInLegend: false
      }, {
          name: 'Separators',
          type: 'mapline',
          data: Highcharts.geojson(Highcharts.maps['countries/us/custom/us-all-territories'],
              'mapline'),
          color: '#707070',
          showInLegend: false,
          enableMouseTracking: false
      }, {
          // Specify points using lat/lon
          type: 'mapbubble',
          name: 'Cities',
          color: Highcharts.getOptions().colors[2],
          data: [{
              'lat': 61.154862,
                  'z': 1,
                  'lon': -149.886571,
                  'name': 'Anchorage'
          }, {
              'lat': 37.353154,
                  'z': 1,
                  'lon': -120.600837,
                  'name': 'Atwater'
          }, {
              'lat': 47.30503,
                  'z': 1,
                  'lon': -122.206741,
                  'name': 'Auburn'
          }, {
              'lat': 30.403614,
                  'z': 1,
                  'lon': -97.752602,
                  'name': 'Austin'
          }, {
              'lat': 43.602311,
                  'z': 1,
                  'lon': -116.164924,
                  'name': 'Boise'
          }, {
              'lat': 42.973088,
                  'z': 1,
                  'lon': -78.845,
                  'name': 'Buffalo'
          }, {
              'lat': 35.146685,
                  'z': 1,
                  'lon': -80.960421,
                  'name': 'Charlotte'
          }, {
              'lat': 39.778264,
                  'z': 1,
                  'lon': -104.75565,
                  'name': 'Denver'
          }, {
              'lat': 64.910879,
                  'z': 1,
                  'lon': -147.510479,
                  'name': 'Fairbanks'
          }, {
              'lat': 35.225736,
                  'z': 1,
                  'lon': -111.574109,
                  'name': 'Flagstaff'
          }, {
              'lat': 19.702522,
                  'z': 1,
                  'lon': -155.093921,
                  'name': 'Hilo'
          }, {
              'lat': 21.294139,
                  'z': 5,
                  'lon': -157.828388,
                  'name': 'Honolulu'
          }, {
              'lat': 48.416427,
                  'z': 1,
                  'lon': -122.326548,
                  'name': 'Mount Vernon'
          }, {
              'lat': 45.337718,
                  'z': 1,
                  'lon': -122.569991,
                  'name': 'Oregon City'
          }, {
              'lat': 40.179535,
                  'z': 1,
                  'lon': -122.238281,
                  'name': 'Red Bluff'
          }, {
              'lat': 34.113155,
                  'z': 1,
                  'lon': -117.377133,
                  'name': 'Rialto'
          }, {
              'lat': 37.718968,
                  'z': 3,
                  'lon': -122.409577,
                  'name': 'San Francisco'
          }, {
              'lat': 47.205395,
                  'z': 1,
                  'lon': -122.533562,
                  'name': 'Tacoma'
          }, {
              'lat': 45.712017,
                  'z': 2,
                  'lon': -122.632226,
                  'name': 'Vancouver'
          }]
      }]
  });
  
  $("#course_form").change(function (e) {
      var newdata = [{
          'lat': 30.40334,
          'z': 1,
          'lon': -88.960499,
          'name': 'Biloxi'
      }, {
          'lat': 41.200508,
          'z': 1,
          'lon': -73.168771,
          'name': 'Bridgeport'
      }, {
          'lat': 40.649748,
          'z': 2,
          'lon': -73.882375,
          'name': 'Brooklyn'
      }, {
          'lat': 26.707947,
          'z': 1,
          'lon': -81.859447,
          'name': 'Fort Myers'
      }, {
          'lat': 40.7445,
          'z': 1,
          'lon': -74.032863,
          'name': 'Hoboken'
      }, {
          'lat': 21.294139,
          'z': 6,
          'lon': -157.828388,
          'name': 'Honolulu'
      }, {
          'lat': 21.981618,
          'z': 1,
          'lon': -159.368258,
          'name': 'Lihue'
      }, {
          'lat': 30.647431,
          'z': 1,
          'lon': -88.229245,
          'name': 'Mobile'
      }, {
          'lat': 41.296284,
          'z': 1,
          'lon': -72.937307,
          'name': 'New Haven'
      }, {
          'lat': 40.710537,
          'z': 4,
          'lon': -74.016323,
          'name': 'New York'
      }, {
          'lat': 28.487102,
          'z': 1,
          'lon': -81.408162,
          'name': 'Orlando'
      }, {
          'lat': 26.113639,
          'z': 1,
          'lon': -80.271019,
          'name': 'Plantation'
      }, {
          'lat': 40.904341,
          'z': 1,
          'lon': -72.410271,
          'name': 'Southampton'
      }, {
          'lat': 39.588149,
          'z': 1,
          'lon': -74.364586,
          'name': 'Tuckerton'
      }];
      var course = $("#course_form option:selected").text();
      $('#chart').highcharts().series[0].setData(data_dict[newdata]);
  });
  </code></pre>
  
  <p>});</p>