Updated Achievement.java to conform to convention
Updated Art.java to conform to convention & resolved compilation errors
Updated BanEntry.java to conform to convention
Updated BanList.java to conform to convention
Updated BlockChangeDelegate.java to conform to convention
Updated ChatColor.java to conform to convention & resolved compilation errors
Updated Chunk.java to conform to convention
Updated ChunkSnapshot.java to conform to convention
Updated CoalType.java to conform to convention
Updated Color.java to conform to convention & resolved compilation errors