adding new mode PREMIX_RAW for MC
All code modifications to fix saturation issues in SiStrip Tracker for PreMixing
Merged 70X_Mods_to_fix_SiStripTracker_PreMixing from repository mdhildreth
Script changes to set PreMixing parameters for SiStrips
Merge pull request #5952 from mdhildreth/70X_Mods_to_fix_SiStripTracker_PreMixing

70X mods to fix SiStrip Tracker PreMixing