* Fixed an issue where signalr cover update events would fire before the covers were updated in db and hence UI would show as if no cover for quite some time.
* Refactored MetadataService to GenerateCovers, as that is what this service does.
* Fixed a bug where list item for books that have 0.X series index wouldn't render on series detail. Added Name updates on volume on scan
* Removed some debug code
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