New Web theme

Added IDownloadClientController & SabController (WIP)

NzbDrone.Core/Controllers/IDownloadClientController.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace NzbDrone.Core.Controllers
+{
+    public interface IDownloadClientController
+    {
+        string AddByUrl(string url); //Should accept something other than string (NzbInfo?) returns result if applicable
+        bool IsInQueue(string goodName);//Should accept something other than string (Episode?) returns bool
+    }
+}