Miro 5.0.1

* Bug fixes
- (all) crash on database upgrade: OperationalError: no such table: dtv_variables
- (OS X) Vimeo "likes" are not downloaded
- (all) Intermittent Vimeo download failure
- (Windows) Monitor goes into power saving mode while playing back
- (Windows) Mouse doesn't disappear in fullscreen playback mode on windows
- (all) clicking yes to donate resets the counter to 100 but doesn't wait 6 months before displaying the ask again
- (all) Re-fetch 7-digital data
- (all) Crash in check_subprocess_hung
- (all) n _scrape_vimeo_download_errback TypeError: sequence index must be integer, not 'str'
- (all) AttributeError: 'NoneType' object has no attribute 'group'