Singularity now wont leave floor under eaten walls.

Cryo wont spit out beaker.
Fixed message "You don't have the dexterity to do this" for machinery.
PIPES:
- Heat exchange pipes are constructable now.
- Insulated pipes also were added to pipe dispenser;
- And meters too;
- Easy pipe rotating in hands;
- bent pipes actually looks bent under construction (may be glitches, please report);
- pipes now wont cover wires;
- pipes unwrenching now possible;
- large vent pumps now uses power as equipment, not environment
- pumps now uses power;
Air alarm improvements:
- all alarms in area controls all environment machines in area;
- machines initializes itself automatically and without interloping with existing ones;
- air alarms wont duplicates it air monitoring and can clear itself;
Some other typos and small issues were fixed.


git-svn-id: http://tgstation13.googlecode.com/svn/trunk@816 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/stacks/stack.dm

@@ -71,11 +71,11 @@
 		else
 			to_transfer = min(src.amount, S.max_amount-S.amount)
 		S.amount+=to_transfer
+		if (S && usr.machine==S)
+			spawn(0) S.interact(usr)
 		src.use(to_transfer)
 		if (src && usr.machine==src)
 			spawn(0) src.interact(usr)
-		if (S && usr.machine==S)
-			spawn(0) S.interact(usr)
 	else return ..()
 
 /obj/item/stack/proc/copy_evidences(obj/item/stack/from as obj)