Update parameter of function trim_file_name
Updated Frequently Asked Questions (markdown)
Adds link to answer on stack overflow.
Initial version stating how to implement a single file upload per dialog
fix broken link for jquery.iframe-transport.js
CustomUploadHandler: protected trim_file_name( -> protected function trim_file_name(
Revert 44fa305f4be4d0222222a84b2bea3856161f22c5 ... f8eb88f613498230d4ad9c417297785745443b6c
Upload file after form is submitted.