demoDyn update

psGrammar/demos/demoDynamic.jsgf

@@ -5,6 +5,7 @@ public <command> = [<robot>] ( <save> | <wave> | <who> | <goTo> | <followMe> | <
 
 <robot> = (tobi | robot | tiago);
 
+<introduce> = (intruduce yourself);
 <save> = (save location);
 <wave> = (wait for me);
 <who> = (who are you);