Did I forget to add IScript.cs? Yes I did...

OpenSim/Region/ScriptEngine/Common/IScript.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenSim.Region.ScriptEngine.Common
+{
+    public interface IScript
+    {
+        string State();
+        Executor Exec { get; }
+    }
+}