title: select2 jquery not allow to add new tags
body: <p>I have this code and I do not allow to add new tags just picks those from the ajax .</p>
  
  <pre><code>&lt;script&gt;
  $(document).ready(function() {
  $.ajax({
       url: "ajax/profile.php",
       type: "POST", 
       dataType: "json",
       success: function(data) {
           //alert(data);
           $("#PROFILE").select2({
               tags: data,
               tokenSeparators: [","]
   }); 
           }, error: function(jqXHR, textStatus, errorThrown)
           {
               alert("Ocurrio un error al enviar los datos");
           }
       });
  
  });
  &lt;/script&gt;
  </code></pre>
  
  <p>appreciate your help</p>