title: Individual column filter not working in Datatable
body: <p>I am using jQuery DataTables @version 1.10.11</p>
  
  <p>All thing is work but <strong>column Filter not working</strong>. what is the issue? </p>
  
  <p>is there external plug-in required or file?</p>
  
  <p>Please help.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>$(document).ready(function(){
   $('#clist').dataTable({
          "ordering": true,
    "searching": false,
    "order": [[ 0, "asc" ]],
    "dom": 'rt&lt;"bottom"lip&gt;',
    "columnDefs": [
     {
      "targets": [ 0 ],
      "visible": false,
     }, {
      "targets": [ 2 ],
      "orderable": false,
     }, {
      "targets": [ 3 ],
      "orderable": false,
     }, {
      "targets": [ 4 ],
      "orderable": false,
     }
          ]
      })
   .columnFilter({
    //sPlaceHolder: "head:after",
    aoColumns: [
      { type: "text" },
      { type: "select", values: [ 'val1', 'val2', 'val3', 'val4']  },
      { type: "select", values: [ 'val1', 'val2', 'val3', 'val4']  },
      null
    ]
  
   });
  });</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"&gt;&lt;/script&gt;
  &lt;script src="//cdn.datatables.net/1.10.11/js/jquery.dataTables.min.js"&gt;&lt;/script&gt;</code></pre>
  </div>
  </div>
  </p>