Creates common base class for services, this streamlines all ctors and exposes correct services. Gets the TaskRepository working with a test, now to get it fully implemented.

src/Umbraco.Core/Persistence/RepositoryFactory.cs

@@ -64,6 +64,11 @@ namespace Umbraco.Core.Persistence
      
         #endregion
 
+        public virtual ITaskRepository CreateTaskRepository(IDatabaseUnitOfWork uow)
+        {
+            return new TaskRepository(uow, _cacheHelper, _logger, _sqlSyntax);
+        }
+
         public virtual IAuditRepository CreateAuditRepository(IDatabaseUnitOfWork uow)
         {
             return new AuditRepository(uow, _cacheHelper, _logger, _sqlSyntax);