Incorrect thumbnail fix.

• Compatibility Check
  • Checked and updated for game version 1.8.4.

• Compatibility Check
  • Checked and updated for game version 1.7.*.

• Compatibility Check
  • Checked and updated for game version 1.6.*.

• Compatibility Check
  • Checked and updated for game version 1.5.*.
• Localisation:
  • Fixed various localisation errors.
    
  • Warning Russian localisation has not been updated.

• Compatibility Check
  • Checked and updated for game version 1.3.*.
• Localisation:
  • Added Russian localisation thanks to - Кусок картона.

• Events
  • Added new event: Naval Espionage.
• Localisation:
  • Added localisation for new espionage event".
• Graphics
  • Replaced Ocean Liner small graphic to new graphic to represent the new name "Packet Boat".
• Misc and fixes
  • Changed liner size production method small to "Packet Boat".
    
  • Changed liner size production method small to "Paddle Steamer".
    
  • Changed liner size production method small to "Ocean Liners".
    
  • Pollution value for "Packet Boat" Production method reduced to: 0.
    
  • Pollution value for "Paddle Steamers" Production method reduced to: 10.
    
  • Pollution value for "Ocean Liners" Production method reduced to: 25.
    
  • Class production methods no longer contribute to pollution.
    
  • Added AI weight to ocean liner technologies.
• Balance
  • Significant changes to buy packages and luxury transport demand. Using 'Jokurts' script.

• Added migration modifier to Cruise Line Building output.
  
• Added Cruise Line building throughput bonus to Natural Harbours state trait.
  
• Small balance adjustments to the Luxury Transport Pop-Need.

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