It provides a rendez-vous point (aka mailbox) based send/recv API to perform
synchronous communication.
+ SimDag:
+ * new function SD_task_dump() for debuging display
+ * new function SD_daxload(char*) to load a DAX file
+ (see http://vtcpc.isi.edu/pegasus/index.php/WorkflowGenerator)
+
Bug fixes:
* GTNetS wrappers should now be usable again (and betterly tested too)
* Fix a major regression from 3.2 where the timeout provided to