release of version 3.10.
* Switch to tesh.pl, and kill the now unused parts of xbt that seem fragile
* Switch to surf++, and reintegrate the hypervisor branch on top of it
+ * Kill support for 32bits host architecture.
+ - Integers are too short to store a date or a size
+ - Plus, less platforms ~> simpler codebase ~> easier to maintain
-- $date Da SimGrid team <simgrid-devel@lists.gforge.inria.fr>