3rd performance optimisation pass

Another serious round of balancing for performance vs visual quality. Everything was tweaked. Players should notice a significant FPS improvement. I recommend trying to play on High video settings however if your framerate is still too go into video settings and reduce all settings to medium settings except for post-processing and effects otherwise the lighting won’t be great...

Changed

• Reduced Iron nodes amount of possible harvested resources because it was too easy to load up and craft lots of stuff to sell
  
• Increased Stone nodes amount of possible harvested resources by a bit
  
• Balanced some craft and trade items
  
• Nerfed Stone and Iron Forge - Iron Bar production rate