Make SimpleFormatterPlatform#generateScript_justProcessed() protected

There is from the beginning no reason why it was declared as public

src/eu/telecom_bretagne/praxis/server/execution/SimpleFormatterPlatform.java

@@ -404,7 +404,7 @@ public abstract class SimpleFormatterPlatform
 	 * offered to subclasses, since subclasses may as well override {@link #generateScript(Resource)}, and iterate on
 	 * the {@link Resource#getAllConcreteResources() concrete resources} after calling super implementation.
 	 */
-	public void generateScript_justProcessed(Activity activity) {}
+	protected void generateScript_justProcessed(Activity activity) {}
 	
 	protected Enum<?> getTarget(ParameterDescription description, Parameter parameter)
 	{