Java Edition Beta 1.7.3

Beta 1.7.3 was released to fix some of the bugs and crashes in Beta 1.7.2.

Fixes
9 bugs fixed


 * Corrected a block duplication bug when using pistons.
 * Corrected a redstone torch duplication bug when using pistons.
 * Corrected a client crash when placing a sign in front of the piston, powering the piston and then removing the block beneath the sign.
 * Ice blocks are now pushed without causing water streams breaking everything.
 * Powered Rails are no longer being powered magically without a power source.
 * Pistons connected to the end of a piston transistor via redstone are now properly closed when the power goes out.
 * Doors no longer create purple particles.
 * Hacking clients can no longer edit texts of placed signs in multiplayer.
 * Changed so that paintings pushed by pistons will pop off.