Update EA-1.21 - Childrens are back!

- Added 17 child models.
- Added new human animations.
- A colored outline is now drawn around the current touched human.
- Added a better generic model for distant humans.
- Added more information visible to the player when he grab a human


- Reduce trees generation rate



- Prevent acacias to be pushed by walking humans.
- Sakura and Savanah miracles are now affecting the moon properly.
- Human model should not briefly change to a cylinder on grab anymore.