flac2mp3: hard-code the program name

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Release flac2mp3 bundles

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Add audiotagchecker

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Release audiotagchecker bundles

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>