+ * Kill MSG_WARNING and MSG_FATAL return codes: they were not used
+ anywere in source.
+ * Add a MSG_task_set_data() function
+ SIMIX:
+ * add a SIMIX_sem_get_capacity() function
+ SURF:
+ * Rename configuration variables to start a hierarchy:
+ o cpu_model -> cpu/model
+ o network_model -> network/model
+ o workstation_model -> workstation/model
+ * New configuration variables:
+ o network/bandwidth_factor: correction to bandwith
+ o network/latency_factor: correction to latency
+ o netwotk/weight_S: correction to the weight of competing streams
+ SMPI:
+ * Implement MPI_Get_count, MPI_MAXLOC, MPI_MINLOC
+ XBT:
+ * config: add the ability to set a default value after registration
+ Does not override any previously set value (e.g. from cmd line)
+