Merge branch 'logger_multithreading' into 'master'

logger/hydro/SPHENIX/logger_hydro.h

logger/logger_parameters.c

logger/logger_parameters.h

logger/logger_python_wrapper.c

logger/logger_reader.c

logger/logger_reader.h

logger/tests/testLogfileReader.c

logger/tests/testTimeArray.c

logger/tests/testVirtualReality.c

logger/tests/test_reader.yml

logger/tests/testvr.yml

src/logger.h