Non functional changes to p2prm for new cluster form

net/include/ftl/net/protocol.hpp

p2p-rm/CMakeLists.txt

p2p-rm/include/ftl/p2p-rm.hpp

p2p-rm/include/ftl/p2p-rm/cluster.hpp

p2p-rm/include/ftl/p2p-rm/internal.hpp

p2p-rm/src/cluster.cpp

p2p-rm/test/CMakeLists.txt

p2p-rm/test/peer.cpp