Add Existing with Refresh button after modifying root dirs.

Renamed AddSeries/Add to AddSeries/Index

NzbDrone.Web/Views/AddSeries/AddExisting.cshtml

@@ -0,0 +1,15 @@
+@model IEnumerable<String>
+
+@{
+    Layout = null;
+}
+
+@if (Model.Count() == 0)
+{
+    @Html.DisplayText("No Series to Add");
+}
+
+@foreach (var path in Model)
+{
+    Html.RenderAction("RenderPartial", "AddSeries", new {path});
+}