Added 1.8 blocks and items!
Added 1.8 recipes!
Added missing mossy stonebrick recipe!
Added furnace recipes!
Fixed spacing and light gray wool name!
Make sure packets are valid

Fixes CID 66408, 66409 and 72045
Merge pull request #1368 from mc-server/coverityFixes

Make sure packets are valid
Fixed off-by-one errors in cChunkDef asserts.
Merge branch 'master' into blocks

Conflicts:
	MCServer/furnace.txt
	MCServer/items.ini
CopyBlocks test: decreased the test size.

It just needlessly ate up test time; there's no need for such rigorous testing once the test started succeeding.
Added missing leather recipe!
Pickups combine only within one chunk.

This greatly improves performance of the tick thread.
Merge remote-tracking branch 'masy/blocks'
Re-updated the Core.
Re-added alternate spellings of darkgraywool.