Dude! Where's my Horse?

Bugs Fixed

• Resolve #38: age handling for ZAWA entities.
• Revert item damage changes, resolve #63: breakable carrot.
• Resolve #62: language keys for configuration.
• Resolve #52: check for item breakage while summoning.
• Properly handle item damage for Unbreaking. Resolves #65
• Update ZAWA support to 1.5.3. Resolves #61.

Changes

•  CHANGELOG is temporary; bump version in view to release.
•  Update compatibility.
•  Automatically reformat code.
•  Update mappings to stable_39.
•  Include changelog, exclude node-related stuff.