Shame on you Mojang

Someone wrote some horrible code that throws a world accessing task
onto the HTTP DOWNLOADER Thread Pool, for an activity that is not even
heavy enough to warrant async operation.

This then triggers async chunk loads!

What in the hell were you thinking?

scripts/importmcdev.sh

@@ -40,6 +40,7 @@ import BaseBlockPosition
 import BiomeBase
 import BiomeJungle
 import BiomeMesa
+import BlockBeacon
 import BlockChest
 import BlockFalling
 import BlockFurnace