Alpha 5 patch 9 hotfix 12

[h3]Added/changed:[/h3]

• Added a button in blocked buildings to check again after the removal of obstruction (or updating the game from hotfix 11)
  
• Added lines pointing to blocked buildings when selected
  
  
  
  

[h3]Fixed:[/h3]

• Unfair blocked buildings in old saves
  
• Crash when placing a row of burial plots
  
• Crash when choosing tree type in orchard
  
• A memory leak