update Copyright date

configure.sh

doc/sensor_ex.c

doc/sensor_ex.h

src/counters.c

src/counters.h

src/counters_option.sh

src/infiniband.c

src/infiniband.h

src/load.c

src/load.h

src/mojitos.c

src/network.c

src/network.h

src/temperature.c

src/temperature.h

src/util.h

tools/update-readme-usage.sh