Alpha 5 patch 5 hotfix 4

Ironing it all out before diving into a bigger content update

Added/changed:

• Number of animals to buy is now zeroed by default

Fixed:

• Tavern migration requirements were wrong in some cases

• Long stuttering on building demolition

• Weird navigation around some wells

• Settings utility didn't work properly

• Smelteries and fulling mills in some cases lead to navigation problems

• Other minor fixes