+ - MSG_host_(get/set)_params -> MSG_vm_(get/set)_params
+ * Don't pass the free_f parameter to property related functions:
+ - MSG_host_set_property_value()
+ - MSG_as_router_set_property_value()
+ - MSG_storage_set_property_value()
+ * VM properties. Since msg_vm_t are msg_host_t, just use
+ MSG_host_get_property_value() and friends
+ * xbt heterogeneous dictionnaries (created with xbt_dict_new()).
+ Well, they are still there for now, but deprecated with a warning.
+ Please switch to xbt_dict_new_homogeneous() before this is removed
+ for real.