Fix Monster Spawners #319
Pull Request description
This will fix several existing bugs with Monser Spawners where the mob being spawned doesn't show up inside the Monster Spawner and server restarts can cause the Spawner to stop working.
Details of what was changed are included in each commit message. Most notable are:
The biggest complication here was that the game client displays the mob inside the Monster Spawner based on the NBT of the MobSpawner tile. Because the MobSpawner class was previously called Spawner, game clients didn't recognize the NBT Tag
… NBT items and pushing changes to users.
…de duplication and ensure correct NBT information is sent to players.
…o not properly show up on server restarts.
…te() and various other block methods.
…sed for Spawner interaction and this functionality has been replaced with the addition of the MonsterSpawnerPEX block.