Hotfix 0.92d

[h2]Changes and Improvements:[/h2]

• Fixed several bugs on the “Dnipro-1” location.
  
• Updated the quest description for finding the hidden stash — it now specifies that the location is the Industrial Zone.
  
• Replaced the radio track in the main menu with a new one composed specifically for our game.
  
• Optimized several textures.