Imported diff provided by Niels Heinemann <i@nielo.net>:
o Entferne den 5-stelligen Cut-Code aus dem Titel
o Erlaube mehr extensions: mp4, flv und mpg
o abstrahiere vom OS (i.e. nutze Path.Combine())
* Added update_legal_header.py script
* Updated legal headers in all source files
Updated version in AboutBox
Fixed RenameJob.extension not being set when loading movie info from XML file.