FusionCharts - Gantt Chart - Configuring output date format

Created using FusionCharts Suite XT - www.fusioncharts.com

by FusionCharts

HTML

<script src="https://cdn.fusioncharts.com/fusioncharts/latest/fusioncharts.js"></script>
<script src="https://cdn.fusioncharts.com/fusioncharts/latest/themes/fusioncharts.theme.fusion.js"></script>
<div id="chart-container">
  FusionCharts will render here</div>

JavaScript

FusionCharts.ready(function() {
  var timeShiftChart = new FusionCharts({
    type: 'gantt',
    renderAt: 'chart-container',
    width: '650',
    height: '300',
    dataFormat: 'json',
    dataSource: {
      "chart": {
        "dateformat": "mm/dd/yyyy",
        "caption": "Social Media Optimization",
        "subcaption": "Project Plan",
        "theme": "fusion",
        "useVerticalScrolling": "0",
        "canvasBorderAlpha": "40"
      },
      "datatable": {
        "headervalign": "bottom",
        "datacolumn": [{
          "headertext": "Owner",
          "headerfontsize": "14",
          "headervalign": "bottom",
          "headeralign": "left",
          "align": "left",
          "fontsize": "12",
          "text": [{
            "label": "John"
          }, {
            "label": "David"
          }, {
            "label": "Mary"
          }, {
            "label": "John"
          }, {
            "label": "Andrew & Harry"
          }, {
            "label": "John & Harry"
          }, {
            "label": "Neil & Harry"
          }, {
            "label": "Neil & Harry"
          }, {
            "label": "Chris"
          }, {
            "label": "John & Richard"
          }]
        }]
      },
      "categories": [{
        "category": [{
          "start": "08/01/2014",
          "end": "09/30/2014",
          "label": "Q3"
        }, {
          "start": "10/01/2014",
          "end": "12/31/2014",
          "label": "Q4"
        }, {
          "start": "01/01/2015",
          "end": "03/31/2015",
          "label": "Q1"
        }]
      }, {
        "category": [{
          "start": "08/01/2014",
          "end": "08/31/2014",
          "label": "Aug '14"
        }, {
          "start": "09/01/2014",
          "end": "09/30/2014",
          "label": "Sep '14"
        }, {
          "start": "10/01/2014",
          "end": "10/31/2014",
          "label": "Oct '14"
        }, {
          "start": "11/01/2014",
          "end":...