Java Edition Alpha v1.0.2 01

Alpha v1.0.2_01  made changes to redstone-related items.

Changes

 * Redstone torches now only send redstone signals into blocks above or next to them.
 * Redstone dust 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.