Make use of file.uploadName for blob and non-multipart uploads.

Extends 0decc74.
Closes blueimp#3497.

Author: blueimp

js/jquery.fileupload.js

@@ -453,7 +453,7 @@
             }
             if (!multipart || options.blob || !this._isInstanceOf('File', file)) {
                 options.headers['Content-Disposition'] = 'attachment; filename="' +
-                    encodeURI(file.name) + '"';
+                    encodeURI(file.uploadName || file.name) + '"';
             }
             if (!multipart) {
                 options.contentType = file.type || 'application/octet-stream';
@@ -489,7 +489,11 @@
                         });
                     }
                     if (options.blob) {
-                        formData.append(paramName, options.blob, file.name);
+                        formData.append(
+                            paramName,
+                            options.blob,
+                            file.uploadName || file.name
+                        );
                     } else {
                         $.each(options.files, function (index, file) {
                             // This check allows the tests to run with