PDA messages now require an active messaging server.

The admin rejuvenate command now stabilizes body temperature as well.  

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3282 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/devices/PDA/PDA.dm

@@ -499,8 +499,15 @@
 
 						last_text = world.time
 
+
+						var/AnsweringMS = 0
 						for (var/obj/machinery/message_server/MS in world)
 							MS.send_pda_message("[P.owner]","[owner]","[t]")
+							if(MS.active)
+								AnsweringMS++
+
+						if(!AnsweringMS)
+							return
 
 						tnote += "<i><b>&rarr; To [P.owner]:</b></i><br>[t]<br>"
 						P.tnote += "<i><b>&larr; From <a href='byond://?src=\ref[P];choice=Message;target=\ref[src]'>[owner]</a>:</b></i><br>[t]<br>"
@@ -523,13 +530,20 @@
 					// pAI Message
 					else
 
+						var/AnsweringMS = 0
+						for (var/obj/machinery/message_server/MS in world)
+							MS.send_pda_message("[P]","[src]","[t]")
+							if(MS.active)
+								AnsweringMS++
+
+						if(!AnsweringMS)
+							return
+
+
 						tnote += "<i><b>&rarr; To [P]:</b></i><br>[t]<br>"
 						P.tnote += "<i><b>&larr; From <a href='byond://?src=\ref[P];soft=pdamessage;target=\ref[src]'>[src]</a>:</b></i><br>[t]<br>"
 
 
-						for (var/obj/machinery/message_server/MS in world)
-							MS.send_pda_message("[P]","[src]","[t]")
-
 						if (prob(15)) //Give the AI a chance of intercepting the message
 							var/who = src
 							if(prob(50))