This allows the result of the explosion to take into account metadata,
tile entities, or even to cancel it altogether.

Allowed block exploding to take into account tile entity and metadata
Fix item deletion in creative menu for items that are the same id/meta but differnet NBT's. Closes #479
Untag NBTTagList.removeTag as client side only, allowing simple removal ont he server side. Closes #477
Merge pull request #480 from ChildWalrus/explosions

Metadata sensitive onBlockDestroyedByExplosion
New hook to allow Items to provide there own armor models. Closes #487