Added confirmation to the THERE CAN BE ONLY ONE button and made it coder-level.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@598 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/admin/admin_verbs.dm

@@ -191,6 +191,7 @@
 			src.verbs += /client/proc/ticklag
 			src.verbs += /client/proc/toggle_view_range
 			src.verbs += /client/proc/warn
+			src.verbs += /client/proc/only_one  // muskets
 			src.verbs += /obj/admins/proc/adjump				//toggle admin jumping
 			src.verbs += /obj/admins/proc/adrev					//toggle admin revives
 			src.verbs += /obj/admins/proc/adspawn				//toggle admin item spawning

code/modules/admin/verbs/onlyone.dm

@@ -5,6 +5,8 @@
 	if(!ticker)
 		alert("The game hasn't started yet!")
 		return
+	if(alert("BEGIN THE TOURNAMENT?",,"Yes","No")=="No")
+		return
 	for(var/mob/living/carbon/human/H in world)
 		if(H.stat == 2 || !(H.client)) continue
 		if(checktraitor(H)) continue