Fixes an issue with jQuery form serialization beginning to include file inputs in jQuery 1.9. Also fixes S3 uploading.

Author: timmywil

js/jquery.fileupload.js

@@ -33,6 +33,21 @@
     $.support.xhrFileUpload = !!(window.XMLHttpRequestUpload && window.FileReader);
     $.support.xhrFormDataFileUpload = !!window.FormData;
 
+    // The form.elements propHook is added to filter serialized elements
+    // to not include file inputs in jQuery 1.9.0
+    // This hooks directly into jQuery.fn.serializeArray
+    // For more info, see http://bugs.jquery.com/ticket/13306
+    $.propHooks.elements = {
+        get: function(form) {
+            if (jQuery.nodeName(form, "form")) {
+                return jQuery.grep(form.elements, function(elem) {
+                    return !jQuery.nodeName(elem, "input") || elem.type !== "file";
+                });
+            }
+            return null;
+        }
+    };
+
     // The fileupload widget listens for change events on file input fields defined
     // via fileInput setting and paste or drop events of the given dropZone.
     // In addition to the default jQuery Widget methods, the fileupload widget