Fix the build

src/Umbraco.Core/Models/DeepCloneHelper.cs

@@ -46,7 +46,7 @@ namespace Umbraco.Core.Models
             var refProperties = inputType.GetProperties()
                 .Where(x =>
                     //is not attributed with the ignore clone attribute
-                    x.GetCustomAttribute<DoNotCloneAttribute>() == null
+                    Attribute.GetCustomAttribute(x, typeof(DoNotCloneAttribute)) == null
                     //reference type but not string
                     && x.PropertyType.IsValueType == false && x.PropertyType != typeof (string)
                         //settable

src/Umbraco.Core/Models/PreValue.cs

@@ -5,6 +5,13 @@
     /// </summary>
     public class PreValue : IDeepCloneable
     {
+        public PreValue(int id, string value, int sortOrder)
+        {
+            Id = id;
+            Value = value;       
+            SortOrder = sortOrder;
+        }
+
         public PreValue(int id, string value)
         {
             Value = value;
@@ -26,6 +33,11 @@
         /// </summary>
         public int Id { get; private set; }
 
+        /// <summary>
+        /// The sort order stored for the pre-value field value
+        /// </summary>
+        public int SortOrder { get; private set; }
+
         public virtual object DeepClone()
         {
             //Memberwise clone on PreValue will work since it doesn't have any deep elements

src/Umbraco.Tests/Persistence/Repositories/TemplateRepositoryTest.cs

@@ -144,9 +144,8 @@ namespace Umbraco.Tests.Persistence.Repositories
             var unitOfWork = provider.GetUnitOfWork();
 
             var templateRepository = new TemplateRepository(unitOfWork, NullCacheProvider.Current);
-            var tagRepository = new TagsRepository(unitOfWork, NullCacheProvider.Current);
             var contentTypeRepository = new ContentTypeRepository(unitOfWork, NullCacheProvider.Current, templateRepository);
-            var contentRepo = new ContentRepository(unitOfWork, NullCacheProvider.Current, contentTypeRepository, templateRepository, tagRepository, CacheHelper.CreateDisabledCacheHelper());
+            var contentRepo = new ContentRepository(unitOfWork, NullCacheProvider.Current, contentTypeRepository, templateRepository, CacheHelper.CreateDisabledCacheHelper());
 
             using (contentRepo)
             {