* Kill the xbt_peer_t data type: it's useless without GRAS.
* Kill rm_cb feature of config sets: it was never useful.
* Kill graphxml parsing feature. It was not used.
* Kill the xbt_peer_t data type: it's useless without GRAS.
* Kill rm_cb feature of config sets: it was never useful.
* Kill graphxml parsing feature. It was not used.