Added a config.txt option to manually designate a server address, as the current world.address method doesn't work right.

Fixed a runtime error I noticed in login.dm

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@100 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/mob/living/silicon/decoy/death.dm

@@ -5,5 +5,5 @@
 
 	for(var/obj/machinery/ai_status_display/O in world) //change status
 		spawn( 0 )
-		O.mode = 2
+			O.mode = 2
 	return ..(gibbed)

code/modules/mob/login.dm

@@ -37,7 +37,7 @@
 	src.logged_in = 1
 	if (!src.client.changes)
 		src.changes()
-	if(ticker)
+	if(istype (src, /mob/living))
 		if(ticker.mode.name == "revolution")
 			if ((src.mind in ticker.mode:revolutionaries) || (src.mind in ticker.mode:head_revolutionaries))
 				ticker.mode:update_rev_icons_added(src.mind)