Automatic Collection Creation (#1768)

* Made the unread badges slightly smaller and rounded on top right.

* A bit more tweaks on the not read badges. Looking really nice now.

* In order to start the work on managing collections from ScanLoop, I needed to refactor collection apis into the service layer and add unit tests.

Removed ToUpper Normalization for new tags.

* Hooked up ability to auto generate collections from SeriesGroup metadata tag.

API.Tests/Services/DeviceServiceTests.cs

@@ -51,7 +51,6 @@ public class DeviceServiceDbTests : AbstractDbTest
         }, user);
 
         Assert.NotNull(device);
-
     }
 
     [Fact]