Last update for 5.2.0 with actual status

Last update before the change to 5.3.0. The actual status is:
- Last updates from Fabi
- Support for Player emotes (text and animations)
- Support for Addons
- Support for afk/dnd status and messages
- Partial support for stancestate changes
- Ported the world DB from alwaysme1 at AC-Web, to populate a bit the
world :3