Java Edition Alpha v1.0.2 01

Alpha 1.0.2_01 made changes to redstone-related items.

Changes

 * Redstone torch, NOT gates, only signal into blocks above or next to them
 * Redstone no longer connects through solid blocks diagonally down
 * Minor changes to the redstone texture
 * Redstone no longer breaks when stepped on
 * Activated redstone now gives off particles