Display retry dialog in case a file to be played cannot be found

I have this problem of network access and external drives which can lead to files from the playlist being not found.
Currently xbmc does not tell me the path of the file in question but allows me to remove the item from the db.
I changed that to first show a "Retry" dialog, that displays the filepath in a scrolling label. If the user decides to cancel the retry logic, the old flow (asking the user to remove the item) continues but also shows the filepath in a scrolling label.

For the retry dialog I added English, German and Russian texts.