Added 3 new turbine casings to rebalance the turbines. Also changed
turbine controller recipes to fit the rebalance.
Large Steam: Steel Turbine Casing
Large HP Steam Turbine: Stainless Steel Turbine Casing
Large Gas Turbine: Steel Turbine Casing
Large Diesel Turbine: Titanium Turbine Casing
Large Plasma Turbine: Tungstensteel Turbine Casing