title: plupload queue checking files on form submit has an issue
body: <p>I'm having an issue in firing the uploader.start() in case if start button is not clicked for file upload, I am using latest version Plupload. here is the complete code, and I want to find the temp names given for each file uploaded on submit click, so that I can go to the server and rename the files with the reference ID which makes easy to identify the file that belongs.</p>
  
  <pre><code>     &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt;
      &lt;head runat="server"&gt;
      &lt;link href="Styles/jquery.plupload.queue.css" rel="stylesheet" type="text/css" /&gt;
      &lt;script src="Script/jquery-1.8.2.js" type="text/javascript"&gt;&lt;/script&gt;
      &lt;script src="Script/FileUpload/plupload.full.js" type="text/javascript"&gt;&lt;/script&gt;
      &lt;script src="Script/FileUpload/jquery.plupload.queue.js" type="text/javascript"&gt;&lt;/script&gt;
      &lt;title&gt;Test Page&lt;/title&gt;
      &lt;script type="text/javascript"&gt;
          $(document).ready(function () { 
            $("#Testloader").pluploadQueue({
                runtimes: 'flash',
                url: 'FileUpload.ashx',
                max_file_size: '100mb',
                urlstream_upload: true,
                chunk_size: '5MB',
                //unique_names: false,
                multiple_queues: true,
  
                filters: [
              { title: "Document files", extensions: "pdf,doc,docx,tiff" },
              { title: "Image files", extensions: "jpg,png" }
          ],
                // Flash settings
                flash_swf_url: 'Images/plupload.flash.swf',
  
                //                    // Silverlight settings
                //                    silverlight_xap_url: 'assets/resources/plupload.silverlight.xap',
  
                init: {
                    FileUploaded: function (up, file, info) {
                    },                 
                    FilesRemoved: function (up, files) {
                        plupload.each(files, function (file) {
  
                        });
                    }
                }
  
            });
        });
        $('form').submit(function (e) {
            alert("clicked me");
            var uploader = $("#Testloader").pluploadQueue();
            // Files in queue upload them first
            if (uploader.files.length &gt; 0) {
                // When all files are uploaded submit form
                uploader.bind('StateChanged', function () {
                    if (uploader.files.length === (uploader.total.uploaded + uploader.total.failed)) {
                        // $('form')[0].submit();
                        alert("Form submitted");
                    }
                });
                uploader.start();
  
            } else {
  
                alert('You must queue at least one file.');
  
            }
            return false;
        });
      &lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
      &lt;form id="form1" runat="server"&gt;
      &lt;div id="Testloader"&gt;      
      &lt;/div&gt;
     &lt;input type="submit" value="send" /&gt;
      &lt;/form&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>