fixing update for vnext.

NzbDrone.Api/Update/UpdateModule.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using NzbDrone.Api.REST;
+using NzbDrone.Core.Update;
+using NzbDrone.Api.Mapping;
+
+namespace NzbDrone.Api.Update
+{
+    public class UpdateModule : NzbDroneRestModule<UpdateResource>
+    {
+        private readonly IUpdateService _updateService;
+
+        public UpdateModule(IUpdateService updateService)
+        {
+            _updateService = updateService;
+            GetResourceAll = GetAvailableUpdate;
+        }
+
+        private List<UpdateResource> GetAvailableUpdate()
+        {
+            var update = _updateService.AvailableUpdate();
+            var response = new List<UpdateResource>();
+
+            if (update != null)
+            {
+                response.Add(update.InjectTo<UpdateResource>());
+            }
+
+            return response;
+        }
+    }
+
+    public class UpdateResource : RestResource
+    {
+        public Version Version { get; set; }
+        public String FileName { get; set; }
+        public String Url { get; set; }
+    }
+}