Added misnamed provider, PLINQ speeds it up, but still to slow for use, paging helps, but isn't consistent.

A bunch of files changed removing System.Linq, thanks Resharper :(

NzbDrone.Core/Datastore/PetaDbProviderFactory.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Data.Common;
 using System.Data.SqlServerCe;
-using System.Linq;
 using System.Text;
 using MvcMiniProfiler.Data;