In Dashboard images to control language positions is broken.
It looks like this.
I found code for them in
qtranslate_configuration.php on lines 459 and 460. I just replace
qtranslate and it works, but I think that developer wanted to make plugin works with name that different as
qtranslate-beta, I think), so my solution is not very good. btw, it works and don't disturb me with broken images.