Issue #AR-8_line_endings: fix build

app/Umbraco/Archetype.Tests/Models/FieldsetTests.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Archetype.PropertyConverters;
+using Archetype.Tests.Serialization.UseCases;
 using NUnit.Framework;
 using Archetype.Tests.Serialization;
 

app/Umbraco/Archetype.Tests/Serialization/UseCases/ArchetypeJsonConverterTest.cs

@@ -1,5 +1,8 @@
 using System;
 using Archetype.Tests.Serialization.Base;
+using Newtonsoft.Json;
+using NUnit.Framework;
+
 namespace Archetype.Tests.Serialization.UseCases
 {
     [TestFixture]

app/Umbraco/Archetype.Tests/Serialization/UseCases/Complex/ArchetypeJsonConverterTest.cs

@@ -1,5 +1,8 @@
 using System.Linq;
 using Archetype.Tests.Serialization.Base;
+using Newtonsoft.Json;
+using NUnit.Framework;
+
 namespace Archetype.Tests.Serialization.UseCases.Complex
 {
     [TestFixture]

app/Umbraco/Umbraco.Archetype/PropertyConverters/ArchetypeValueConverter.cs

@@ -1,3 +1,4 @@
+using System;
 using Archetype.Extensions;
 using Archetype.Models;
 using Umbraco.Core;