IR Amtrak+ [Immersive Railroading Pack]

• Added GE P42DC.
• Added P42 liveries: #203 Operation Lifesaver, #66 Phase II, #145 Phase III, #160 Pepsi Can, #164 Phase IV, #61 Phase Vb, #142 Phase Vb, #177 Phase Vb

Old stock registry names have been discontinued as they are no longer supported!