Doors now check for critter access.

Cleaned up the objectives a bit and made a new "kill" one for rev.
Cleaned up implants and implanters a bit.
Cleaned up the prisoner computer a bit.
Sec Huds can be placed on security helmets (Still needs a sprite)
The beachball now has in hand sprites (Kor)

Cult:
Heads other than the Captain and HoS are now able to start as or be converted to a cultist.
Loyalty implants will block conversion but will not unconvert cultists.

Rev:
Station Heads or Head Revs who leave z1 will count as dead so long as they are off of the z level.
Loyalty implants will block conversion and will unconvert revs upon injection.
Once a mind has been unconverted it may not be reconverted

New items:
Loyalty implants, small implant that prevents reving/cult
The Captain, Warden, Officers, and Detective all start with one already implanted
Loyalty Implanter machine on the prison station that implants loyalty implants and may regen implants after a cooldown.


git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2049 316c924e-a436-60f5-8080-3fe189b3f50e

code/datums/mind.dm

@@ -14,6 +14,9 @@ datum/mind
 	var/list/datum/objective/objectives = list()
 	var/list/datum/objective/special_verbs = list()
 
+	var/has_been_rev = 0//Tracks if this mind has been a rev or not
+
+
 	proc/transfer_to(mob/new_character)
 		if(current)
 			current.mind = null