Refactor directory structure and module names

CMakeLists.txt

README.md

common/config/calibration.xml

common/config/config.json

p2p-rm/CMakeLists.txt

p2p-rm/README.md

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

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

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

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

p2p-rm/include/ftl/p2p-rm/mapped_ptr.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/src/p2prm.cpp

p2p-rm/test/CMakeLists.txt

p2p-rm/test/blob_unit.cpp

p2p-rm/test/catch.hpp

p2p-rm/test/cluster_unit.cpp