- Scriptcontext debugged to be working

- Added a drivable adapter to scriptcontext nodes
- Added subsampling to simulated histograms (and as a general option) in
  order to support Gumtree testing.

sicshdbfactory.c

@@ -268,8 +268,8 @@ static hdbCallbackReturn  CommandGetCallback(pHdb node, void *userData,
 		return hdbContinue;
 	}
 	
-    hdbValue v2 = MakeHdbText("Nothing to get");
-    copyHdbValue(&v2, mm->v); /* MakeHdbText makes no strdup ! */
+    hdbValue v2 = MakeHdbText(strdup("Nothing to get"));
+    copyHdbValue(&v2, mm->v); 
     return hdbContinue;
 }
 /*--------------------------------------------------------------------------*/