Merge branch 'BCMoverlay' into 'master'

...EventOverlayJobTransforms/share/BeamOverlay_jobOptions.py

...ization/BCM_Digitization/python/BCM_DigitizationConfig.py

InnerDetector/InDetRawAlgs/InDetOverlay/CMakeLists.txt

...ector/InDetRawAlgs/InDetOverlay/InDetOverlay/BCMOverlay.h

...or/InDetRawAlgs/InDetOverlay/python/InDetOverlayConfig.py

.../InDetRawAlgs/InDetOverlay/python/InDetOverlayConfigDb.py

InnerDetector/InDetRawAlgs/InDetOverlay/src/BCMOverlay.cxx

...Algs/InDetOverlay/src/components/InDetOverlay_entries.cxx

...tector/InDetRawAlgs/InDetOverlay/test/BCMOverlay_test.cxx

Tools/PROCTools/python/RunTier0TestsTools.py