Quests [1.8-1.21] | Set up goals for players

Quests [1.8-1.21] | Set up goals for players -----

Allow your players to do quests in return for rewards

Custom GUI elements, random quest command & fixes

New | Add support for custom items in the GUI
- See the wiki for more info.
New | /q random command
- This just starts a random quest.
- Requires permission: quests.command.random
Fix | Fix brewing certain task not working
- Thanks to nivcoo on GitHub for this fix