cpplint and cppcheck improvements

CMakeLists.txt

cv-node/src/algorithms/fixstars_sgm.cpp

cv-node/src/algorithms/rtcensus.cpp

cv-node/src/calibrate.cpp

cv-node/src/disparity.cpp

cv-node/src/display.cpp

cv-node/src/local.cpp

cv-node/src/main.cpp

cv-node/src/sync.cpp

net/cpp/include/ftl/net/listener.hpp

net/cpp/include/ftl/net/protocol.hpp

net/cpp/include/ftl/net/socket.hpp

net/cpp/include/ftl/uri.hpp

net/cpp/src/net.cpp

net/cpp/src/socket.cpp

net/cpp/test/socket_unit.cpp