Fixed failure when trying to add the first root dir (Missing Telerik scripts for combobox).

NzbDrone.Web/Controllers/AddSeriesController.cs

@@ -215,6 +215,7 @@ namespace NzbDrone.Web.Controllers
                             {
                                 Id = 0,
                                 Path = "",
+                                CleanPath = "",
                                 SelectList = new SelectList(new List<string> { "" }, "")
                             };
 

NzbDrone.Web/Views/AddSeries/Index.cshtml

@@ -1,7 +1,13 @@
 @model List<RootDir>
 @using NzbDrone.Core.Repository
 
-<script type="text/javascript" src="../../Scripts/2011.1.315/telerik.window.min.js"></script>
+@{ Html.Telerik().ScriptRegistrar().DefaultGroup(group => group
+                                        .Add("telerik.common.min.js")
+                                        .Add("telerik.draganddrop.min.js")
+                                        .Add("telerik.window.min.js")
+                                        .Add("telerik.panelbar.min.js")
+                                        .Add("telerik.list.min.js")
+                                        .Add("telerik.combobox.min.js")); }
 
 <style>
 .root_dir_text