Merge branch 'muWriter.LumiBlockComps-20200519' into 'master'

LumiBlock/LumiBlockComps/CMakeLists.txt

LumiBlock/LumiBlockComps/python/LumiBlockMuWriterConfig.py

LumiBlock/LumiBlockComps/python/LumiBlockMuWriterDefault.py

LumiBlock/LumiBlockComps/python/LuminosityCondAlgDefault.py

...ock/LumiBlockComps/share/LumiBlockMuWriterConfig_test.ref

...lock/LumiBlockComps/share/LumiBlockMuWriter_jobOptions.py

LumiBlock/LumiBlockComps/src/LumiBlockMuWriter.cxx

...on/RecExample/RecExCommon/share/RecExCommon_topOptions.py

...gValidation/TriggerTest/share/testLVL1CTPAthenaTrigRDO.py