Migrate BookkeeperDumper algorithm to the BookkeeperDumperTool

...AthenaPOOL/AthenaPoolTools/share/EventCount_jobOptions.py

Database/AthenaPOOL/AthenaPoolTools/src/BookkeeperDumper.cxx

Database/AthenaPOOL/AthenaPoolTools/src/BookkeeperDumper.h

...thenaPoolTools/src/components/AthenaPoolTools_entries.cxx

Event/EventBookkeeperTools/python/CutFlowHelpers.py

...entBookkeeperTools/share/TestCutFlowSvcDumpBookkeepers.py

Event/EventBookkeeperTools/share/TestCutFlowSvcOutput.py

Event/EventBookkeeperTools/src/BookkeeperDumperTool.cxx

Event/EventBookkeeperTools/src/BookkeeperDumperTool.h

Event/EventBookkeeperTools/src/BookkeeperTool.cxx

...eperTools/src/components/EventBookkeeperTools_entries.cxx