Fixed the old emergency shuttle bug where it'd go crazy when you recalled the shuttle when it was already at ten minutes.

Mime access added because clown access felt lonely. Both have no current use other than for door construction.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@619 316c924e-a436-60f5-8080-3fe189b3f50e

code/datums/shuttle_controller.dm

@@ -31,6 +31,12 @@ datum/shuttle_controller
 
 	proc/recall()
 		if(direction == 1)
+			var/timeleft = timeleft()
+			if(timeleft >= 600)
+				world << "\blue <B>Shuttle is at Centcom. Unable to recall.</B>"
+				return
+			world << "\blue <B>Alert: The shuttle is going back!</B>"
+			world << sound('shuttlerecalled.ogg')
 			setdirection(-1)
 			online = 1