no more submodule

GtkSharp/Source/Addins/MonoDevelop.GtkSharp.Addin/CheckMissing.cs

@@ -0,0 +1,12 @@
+using Mono.Addins;
+
+namespace MonoDevelop.GtkSharp.Addin
+{
+    public class CheckMissing : ConditionType
+    {
+        public override bool Evaluate(NodeElement conditionNode)
+        {
+            return AddinManager.GetExtensionNode("/MonoDevelop/Ide/ProjectTemplateCategories/crossplat/app") == null;
+        }
+    }
+}