[IR/Immersive Railroading] Miszko's Train Pack

THIS IS PART 1 OF 1.2.8 UPPDATE. PART 2 IS REQUIRED FOR ALL STOCK. THIS PART DOES NOT INCLUDE ANY NEW MODELS. FIXED VERSION. IF YOU HAVE DOWNLOADED THIS VERSION PREVIOUSLY DELETE OLD FILES AND CACHE FOLDER IN .minecraft AND REPLACE THEM WITH THE ONES ENDING WITH _FIX.