Added creation of statistics for performance samples

src/headset/remote_headset.cpp

src/headset/remote_headset.hpp

src/transport/transport.hpp

src/transport/udp_packet.cpp

src/transport/udp_packet.hpp

src/transport/udp_transport.cpp

src/types.hpp

src/utility/latency.cpp

src/utility/pass_timer.cpp

src/utility/statistic.cpp

src/utility/statistic.hpp

src/vr_application.cpp

src/vr_application.hpp