[soundcloud] Modernize and fix tests
[tumblr] Fix extraction (fixes #4029)
[sportbox] Remove view count
[BelgianNational] New extractor added
[BelgianNational] corrected indentation
[vrt] Improve extractor
Merge branch 'Dineshs91-belgiannational-ie'
Set '--simulate' if any of the printing options is given (fixes #3036)

That's what the help messages say.
Previously it would only set '--skip-download', which would write thumbnail,
descriptions or subtitles if they were requested (for example you may have set
'--write-thumbnail' in the config file).