Patch notes for v0.8.2

[p]New feature: pillar tool[/p][p]* Added ability to add and remove pillars on transport belts and pipes, similar to train track pillars.[/p][p]* Added 'remove_redundant_transport_pillars' console command to remove all redundant transport pillars. We recommend saving your game before using it. Removing redundant pillars can improve performance.[/p][p][/p][p]Improvements[/p][p]* Stacker tower rails can now be placed on the ocean.[/p][p]* Ocean area notifications now update when entities are moved.[/p][p]* Optimized transport product rendering based on camera distance, reducing transport simulation update time by up to 50% (up to 10% of overall sim update).[/p][p]* Optimized construction manager, up to 8x faster when many constructions are paused (up to 10% of overall sim update).[/p][p]* Optimized ocean-related height change processing, saving about 1ms per simulation step on large saves (up to 3% of overall sim update).[/p][p][/p][p]Fixes[/p][p]* Fixed amphibious hydrogen excavator having incorrect construction costs.[/p][p]* Fixed a ship pathfinding bug that could lead to ships pathing through obstacles.[/p][p]* Fixed cargo ships using incorrect crew size for different ship tiers.[/p][p]* Fixed stacker tower throttling being applied at half the intended rate, also causing delayed construction of new segments.[/p][p]* Fixed stacker tower max terrain height calculation for segment layouts.[/p][p]* Fixed stacker tower area selection not considering its pivot correctly.[/p][p]* Fixed issues when adding or removing train track pillars.[/p]