Pogooglue: don't replace ' ' with '+'.
MusicZombie: moved Chromaprint from LMP Graffiti.
MusicZombie: chromaprint stuff is now optional.
MZ: added chroma mutex.
MZ: added PendingTagsFetch.
Interfaces: added Media::ITagsFetcher.
MZ: implement ITagsFetcher.
LMP Graffiti: action for requesting tags.
Vrooby: use Removable prop in UDisks2 backend.