Version 2.8.1

x do not reset certification style to SHORT
x remove movies without VIDEO files after update data sources
x follow symlinks with our new “update datasource” logic
x fixed loading of TV show special season posters
x fixed reading codec of Microsoft VC-1 via MediaInfo
x fixed update single datasource for movies
x fixed renaming movies with colon
x prefer MI data from common video types over disc image types
x fixed a bug in the renamer where renaming did not work