Merge pull request #3399 from Herst/patch-1

XHR timeout disabled is required for file uploads.

Author: blueimp

js/jquery.fileupload.js

@@ -277,7 +277,8 @@
             // The following are jQuery ajax settings required for the file uploads:
             processData: false,
             contentType: false,
-            cache: false
+            cache: false,
+            timeout: 0
         },
 
         // A list of options that require reinitializing event listeners and/or