Fix Corrupted Trapped Chest

The CraftBukkit code that auto repairs corrupted tile entities never was updated for Trapped Chest.
If a Trapped Chest gets its Tile Entity corrupted, it will crash the server every time the chunk is loaded.

This will now fix Trapped Chests too.
Don't time async events
Fix empty `ench` tags being wiped by the meta system.
Add Hunger Config Values
Make debug logging togglable.
Upstream merge
Skip invalid enchants in CraftMetaItem

Its a rare case but when loading a world from a modded server which added enchantments
CraftMetaItem would add a null enchantment into the enchantment map which causes
NullPointers later
Only close if we are actually placing a block
Revert "Only close if we are actually placing a block"

This reverts commit ea0b1b2d67d49f26d7ec5b7208e1f367f61cb54f.
Update IRC channel to irc.spi.gt