The behavior of a MessageQueue is similar to that of a Mailbox, but intended for
control messages that do not incur any simulated cost. Information is automagically
transported over thin air between producer and consumer. See examples/cpp/mess-wait
+ - New function: Mutex::get_owner()
New S4U plugins:
- Add a JBOD (just a bunch of disks) concept. It's a sort of host with many disks.