Living Things

- new config format

    - now json based

    - allow to change temptation items for mobs

- new textures for entities

    - penguin, crab, mantaray, shark, lion, flamingo

- slightly improved textures for entities

    - owl, giraffe, ostrich, monkey - new ostrich nest texture

- ostrich eggs are now throwable

    - does half a heart of damage

    - does **not** spawn a baby ostrich on impact

- polar bears now hunt penguins

- add loot_table for seahorses

- add new mob `peacock`

    - can be tamed with wheat

    - can be found in jungles and savannas

   - will destroy crops