Merge pull request #667 from SignalK/time_counter #1070

Job	Run time
build (examples/minimal_app.cpp, esp32dev)	3m 6s
build (examples/analog_input.cpp, esp32dev)	2m 54s
build (examples/hysteresis.cpp, esp32dev)	3m 0s
build (examples/lambda_transform.cpp, esp32dev)	2m 31s
build (examples/manual_networking.cpp, esp32dev)	2m 34s
build (examples/minimal_app.cpp, esp32dev)	2m 30s
build (examples/relay_control.cpp, esp32dev)	2m 25s
build (examples/rpm_counter.cpp, esp32dev)	2m 24s
build (examples/async_repeat_sensor.cpp, esp32dev)	2m 58s
build (examples/repeat_sensor_analog_input.cpp, esp32dev)	3m 8s
build (examples/freertos_tasks.cpp, esp32dev)	2m 29s
build (examples/raw_json.cpp, esp32dev)	3m 17s
build (examples/constant_sensor.cpp, esp32dev)	3m 1s
build (examples/time_counter.cpp, esp32dev)	2m 32s
	38m 49s

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