OPDS Cleanup (#534)

* Fixed opds url display

* Rewrote how stat collection works, now we check in multiple places and always run stat collection in a background thread, to not block main thread.

* Cleaned up the ParseInfoTest to be more verbose

* Added benchmarking

API/Interfaces/Services/IStatsService.cs

@@ -6,8 +6,6 @@ namespace API.Interfaces.Services
     public interface IStatsService
     {
         Task PathData(ClientInfoDto clientInfoDto);
-        Task FinalizeStats();
-        Task CollectRelevantData();
         Task CollectAndSendStatsData();
     }
 }