release/2.0.4

[byquanton]

• bump version to next snapshot
• fix: Dispender Blocks with Bone Meal can't spread moss Don't cancel the spread event if it isn't caused by a player
• fix: /chunk limit add Command message
• Performance improvements for getClaims(World world) method
• Improve ChunkBorder performance
• Add Monster-Spawn Flag
• Flags are registered too late
• Make Flags more robust
• Add logging if saving a claim fails
• Release 2.0.4