Java Edition Alpha v1.0.2 01

Alpha 1.0.2_01 made changes to redstone.

Changes

 * Redstone torch, NOT gates, only signal into blocks above them or next to them
 * Redstone dust won't connect through solid blocks diagonally down
 * Art tweaks to the dust
 * Walking on redstone dust no longer breaks it.
 * Redstone dust now gives off particles.