Remove obsolete commitInterval and add multiple PersistencyServices mode.

...tabaseTest/AthenaPoolMultiTest/share/SplittableData_jo.py

...enaExamples/AthExThinning/share/AthExThinning_makeData.py

...ples/AthExThinning/share/ReadNonSlimmedData_jobOptions.py

...ples/AthExThinning/share/ReadNonThinnedData_jobOptions.py

...xamples/AthExThinning/share/ReadSlimmedData_jobOptions.py

...xamples/AthExThinning/share/ReadThinnedData_jobOptions.py

...amples/AthExThinning/share/WriteSlimmedData_jobOptions.py

...amples/AthExThinning/share/WriteThinnedData_jobOptions.py

Control/AthenaPython/python/ConfigLib.py

...ring/PerfMonTests/share/test_perfMonSvc_baseline_bench.py

...onTests/share/test_perfMonSvc_digitization_calo_noLVL1.py

.../share/test_perfMonSvc_multiple_noopalgs_write_evtinfo.py

...rfMonTests/share/test_perfMonSvc_noopalg_write_datahdr.py

...rfMonTests/share/test_perfMonSvc_noopalg_write_evtinfo.py

...onitoring/PerfMonTests/share/test_perfMonSvc_truthjets.py

...OOL/AthenaPoolCnvSvc/AthenaPoolCnvSvc/IAthenaPoolCnvSvc.h

...base/AthenaPOOL/AthenaPoolCnvSvc/src/AthenaPoolCnvSvc.cxx

Database/AthenaPOOL/AthenaPoolCnvSvc/src/AthenaPoolCnvSvc.h

Database/AthenaPOOL/AthenaPoolCnvSvc/test/TestCnvSvcBase.icc

...pleAlgorithms/share/AthenaPoolExample_ConcatJobOptions.py