SCT overlay new-style configuration

...SCT_ConditionsTools/python/SCT_ReadCalibChipDataConfig.py

...tion/SCT_Digitization/python/SCT_DigitizationConfigNew.py

...ctor/InDetRawAlgs/InDetOverlay/python/SCTOverlayConfig.py

...r/InDetRawAlgs/InDetOverlay/test/SCTOverlayConfig_test.py

...on/Overlay/OverlayConfiguration/python/OverlaySteering.py