Filename improvement for the PHP script
Filename improvement for the PHP script

When a file is uploaded using the PHP script, return the filename to
the client. That is useful in case the file is renamed (real use case)
and that we want to display a thumbnail client-side.

SimonWaldherr/uploader,FineUploader/fine-uploader,FineUploader/fine-uploader,SimonWaldherr/uploader,SimonWaldherr/uploader,SimonWaldherr/uploader,SimonWaldherr/uploader,SimonWaldherr/uploader,FineUploader/fine-uploader,SimonWaldherr/uploader