title: Export buttons are not appearing in Datatable
body: <p>I am using jQuery DataTables 1.10 and all my code is working fine. To add export functionality I refer <a href="https://datatables.net/extensions/buttons/examples/html5/simple.html" rel="nofollow noreferrer">this</a> link. I have added all the files what is said</p>
  
  <pre><code>//code.jquery.com/jquery-1.11.3.min.js
  https://cdn.datatables.net/1.10.9/js/jquery.dataTables.min.js
  https://cdn.datatables.net/buttons/1.0.3/js/dataTables.buttons.min.js
  //cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js
  //cdn.rawgit.com/bpampuch/pdfmake/0.1.18/build/pdfmake.min.js
  //cdn.rawgit.com/bpampuch/pdfmake/0.1.18/build/vfs_fonts.js
  //cdn.datatables.net/buttons/1.0.3/js/buttons.html5.min.js
  //cdn.datatables.net/1.10.9/css/jquery.dataTables.min.css
  //cdn.datatables.net/buttons/1.0.3/css/buttons.dataTables.min.css
  </code></pre>
  
  <p>I have downloaded these files and stored locally. So my final code is like :</p>
  
  <pre><code> table = $(".jqueryDataTable").DataTable( {
  
          "initComplete": function(oSettings, json) {
                alert( 'DataTables has finished its initialisation in table.' );
                this.fnHideEmptyColumns(this);
                $('#lblReportHeader').html(reportHeader);
                $('#lblFromDate').html(fromDateHeader);
                $('#lblToDate').html(fromToHeader);
                $('#tblReportHeader').show();
              },
              "searching": false,
              "retrieve": true, 
              "destroy": true,
              "ajax": "./getReportDetails",
              "jQueryUI": true,
              "dom": 'r&lt;"H"lf&gt;&lt;"datatable-scroll"t&gt;&lt;"F"ip&gt;',
              buttons: [
                        'copyHtml5',
                        'excelHtml5',
                        'csvHtml5',
                        'pdfHtml5'
                    ],
              "fnServerParams": function ( data ) {
                  newData=data;
                  newData.push( { "name": "reportType", "value": reportType }, { "name": "reportSubType", "value": reportSubType}, { "name": "fromDate", "value": fromDate}, { "name": "toDate", "value": toDate});
              },
              "columns": [
                              { "mData": "username", "sTitle": "username"},
                              { "mData": "transferType", "sTitle": "transferType"},
                              { "mData": "fromAccount", "sTitle": "fromAccount"}
                  ]
          } ); 
  </code></pre>
  
  <p>But it is not showing any export button on my UI.</p>
  
  <p><a href="https://i.stack.imgur.com/O5vII.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/O5vII.png" alt="enter image description here"></a></p>
  
  <p>What is the wrong in my code ?</p>