+ * Improve the action object model
+ - implement a constructor avoiding dupplicated code about field
+ initialization in generic_action part.
+
+ SimDag:
+ * Kill SD_link_get_properties: hard to maintain and makes very little sense
+ Shout out if you used it.
+
+ GRAS:
+ * Display the list of still queued messages in SG mode when existing
+ the process.
+