Change log

- Added Update Checker, now you will receive console message whether there is a new version available upon server startup
- Added Buff, the challengers can claim it to get a personal potion effect or a team effect
- Added Teleporter, the challengers can shift above it and get teleported to the designated location
- Added corresponding message when buffs renew
- Disabled Dungeon Group file saving, you can run /mg save instead if you made any Dungeon Group related changes in-game
- Fixed default setting of Icon in Dungeon Group config causes IllegalArgumentException in old mc version
- Fixed NoSuchMethodError when starting dungeon with normal WorldEdit installed