Reverted ninja stealth so it works again.

Ninjas now explode when they die.
Ninja mask obscures speech (garbles text) if the voice modulator is not set to mimic voice.
Ninja hood makes one not trackable by AI if worn, much like the agent card.

Certain obj/item/clothing items (canremove=0) will not be removable by normal means. Currently only set for ninja stuff and the suicide vest. The suicide vest might explode if active and someone tries to strip it off a person.
Removed heat protection from black shoes. Not sure why it was there.
Removing a mask from a monkey via text window will now properly give a message.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@1370 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/items/item.dm

@@ -102,7 +102,11 @@
 					M.client.screen -= src
 	src.throwing = 0
 	if (src.loc == user)
-		user.u_equip(src)
+		//canremove==0 means that object may not be removed. You can still wear it. This only applies to clothing. /N
+		if(istype(src, /obj/item/clothing) && !src:canremove)
+			return
+		else
+			user.u_equip(src)
 	else
 		src.pickup(user)
 
@@ -124,10 +128,6 @@
 			user << "Your claws aren't capable of such fine manipulation."
 			return
 
-//	if(istype(src, /obj/item/weapon/gun)) //Temporary fix until I figure out what's going with monkey/add_blood code./N
-//		user << "Sorry Mr. Monkey, guns aren't for you."
-//		return
-
 	if (istype(src.loc, /obj/item/weapon/storage))
 		for(var/mob/M in range(1, src.loc))
 			if (M.s_active == src.loc)
@@ -135,7 +135,11 @@
 					M.client.screen -= src
 	src.throwing = 0
 	if (src.loc == user)
-		user.u_equip(src)
+		//canremove==0 means that object may not be removed. You can still wear it. This only applies to clothing. /N
+		if(istype(src, /obj/item/clothing) && !src:canremove)
+			return
+		else
+			user.u_equip(src)
 	if (user.hand)
 		user.l_hand = src
 	else