Added prescaling tool. Will be needed to test re-running.

Trigger/TrigSteer/L1Decoder/share/CTPEmulation.dat

Trigger/TrigSteer/L1Decoder/share/RoIEmulation.dat

Trigger/TrigSteer/L1Decoder/share/fakeRun.py

Trigger/TrigSteer/L1Decoder/share/graphRun.py

Trigger/TrigSteer/L1Decoder/share/menuData.dat

Trigger/TrigSteer/L1Decoder/share/testData.dat

Trigger/TrigSteer/L1Decoder/src/CTPUnpackingTool.cxx

Trigger/TrigSteer/L1Decoder/src/IPrescalingTool.h

Trigger/TrigSteer/L1Decoder/src/L1Decoder.cxx

Trigger/TrigSteer/L1Decoder/src/L1Decoder.h

Trigger/TrigSteer/L1Decoder/src/OfflinePrescalingTool.cxx

Trigger/TrigSteer/L1Decoder/src/OfflinePrescalingTool.h

...er/TrigSteer/L1Decoder/src/RoIsUnpackingEmulationTool.cxx

.../TrigSteer/L1Decoder/src/components/L1Decoder_entries.cxx

...TrigValidation/TrigUpgradeTest/share/EmuL1DecodingTest.py

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

.../TrigValidation/TrigUpgradeTest/share/egamma.withViews.py

Trigger/TrigValidation/TrigUpgradeTest/share/mergeTest.py