Fix formating in src/covers
Fix headers order in src/covers
Sanity check
Not sure this can really happen in real life (happens because I was playing with
    the code and end up having "=true" line in Clementine.conf) but FWIW, better
to check those values they come from possibly corrupted files/preferences.
Merge pull request #4677 from sobkas/formating_src_covers

Formating src covers
Add ability to get a link to share Spotify songs
Add ability to get a link to share Spotify playlists
Dirty fixers
Dirty fixers
Fix crash when marking podcast as listened
Fixes #4674
Formating fixes in src/dbus