updated for Silent & Fury dlc

- costs -50; upkeep -10

- Zoat Lords can now be renamed

- can now be assigned to offices (only affects Zoat Elders that were spawned to recruitment pool after this update)
- Skill: "Wonders of the Forest": now grants reduced upkeep for dryads, tree kin, treeman and zoats units
- Skill: "Master of the Vengeful Forest": added -3 WoM cost for the spell "The Dwellers Below"
- increased unit scale by 0.3
- decreased scale on campaign map by 0.2