Adding HLT generation functionality to TriggerMenuMT

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

...TriggerCommon/TriggerJobOpts/python/CombinedSliceFlags.py

...iggerCommon/TriggerJobOpts/python/CommonSignatureFlags.py

...r/TriggerCommon/TriggerJobOpts/python/EgammaSliceFlags.py

Trigger/TriggerCommon/TriggerJobOpts/python/JetSliceFlags.py

...ger/TriggerCommon/TriggerJobOpts/python/MuonSliceFlags.py

Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt

.../TriggerMenuMT/python/HLTMenuConfig/Egamma/ElectronDef.py

.../python/HLTMenuConfig/Egamma/generateElectronChainDefs.py

...n/TriggerMenuMT/python/HLTMenuConfig/Electron/__init__.py

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

...on/TriggerMenuMT/python/HLTMenuConfig/Menu/HLTCFConfig.py

...gerMenuMT/python/HLTMenuConfig/Menu/HLTSignatureConfig.py

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

...gerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/Lumi.py

...TriggerMenuMT/python/HLTMenuConfig/Menu/MenuComponents.py

...ommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuUtil.py

...mmon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuUtils.py

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

...iggerMenuMT/python/HLTMenuConfig/Menu/TriggerConfigHLT.py