Update 0.914, 0.914b

• Fixed UI for healthcare settings.
• Fixes for AI faction squad assignment (should stop weird attacks with only one or two creatures).
• Fix ladder under construction not transparent.
• New model for water wheel.
• Fixed issues with water wheel building.

0.914b

• Fixed building accessibility not updated when ladders and stairs are built.
• Improved take squad equipment task, should now take items sorted by distance.