added emu_step_menu test and all changes needed

...idation/TrigUpgradeTest/python/EmuStepProcessingConfig.py

...alidation/TrigUpgradeTest/python/HLTSignatureHypoTools.py

...Validation/TrigUpgradeTest/share/EmuStepProcessingTest.py

...dation/TrigUpgradeTest/share/emu_step_menu_processing.ref

...gValidation/TrigUpgradeTest/share/emu_step_processing.ref

...Test/test/test_trigUpgr_emu_step_menu_processing_build.sh

...gradeTest/test/test_trigUpgr_emu_step_processing_build.sh

...TriggerMenuMT/python/HLTMenuConfig/Menu/GenerateMenuMT.py

...mon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_emu_v1.py

...rCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py

...TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py

...MenuMT/python/HLTMenuConfig/Test/GenerateTestChainDefs.py

...Common/TriggerMenuMT/python/HLTMenuConfig/Test/TestDef.py