Various hologram changes, namely ability to walk through windows and such, ability to hear humans (I hope, can't test that) and inheritance of parent AI name. Also disappears when knocked unconscious (will fix it getting attacked later).

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@716 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/mob/living/carbon/human/say.dm

@@ -7,6 +7,8 @@
 /mob/living/carbon/human/say_understands(var/other)
 	if (istype(other, /mob/living/silicon/ai))
 		return 1
+	if (istype(other, /mob/living/silicon/aihologram))
+		return 1
 	if (istype(other, /mob/living/silicon/robot))
 		return 1
 	return ..()

code/modules/mob/living/silicon/aihologram/aihologram.dm

@@ -36,6 +36,11 @@
 /mob/living/silicon/aihologram/bullet_act(flag)
 	return
 
+/mob/living/silicon/aihologram/Life()
+	if(src.stat)
+		del(src)
+	..()
+
 /mob/living/silicon/aihologram/proc/back_to_ai()
 	set category = "AI Commands"
 	set name = "Return To AI"