Rework p2p to work with net ftlnet

p2p-rm/CMakeLists.txt

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

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

p2p-rm/src/blob.cpp

p2p-rm/src/cluster.cpp

p2p-rm/src/main.cpp

p2p-rm/test/CMakeLists.txt

p2p-rm/test/blob_unit.cpp

p2p-rm/test/cluster_unit.cpp

p2p-rm/test/mapped_ptr_unit.cpp

p2p-rm/test/p2p_integration.cpp

p2p-rm/test/peer_cli.cpp