Add OneTimeUniformGossipPeerDiscovery to newcommunication.

Change-Id: I190298fe167bdb02791f56a84430258581da02e7
Reviewed-on: http://naan.mimuw.edu.pl:8001/65
Tested-by: Nebulostore Nebulostore <nebulostore@gmail.com>
Reviewed-by: Jadwiga Kanska <jadzz.k@gmail.com>