Added toggle-godmode, invisibility for Game Admins, BS12 versions of proccall for Game Masters

Signed-off-by: Mister Fox <traitor.foxy.brown@live.com>

code/modules/mob/living/carbon/alien/humanoid/humanoid.dm

@@ -435,8 +435,9 @@
 		if (S.active)
 			shielded = 2
 			break
-
-	if (shielded == 2 || alien_invis)
+	if(client && client.admin_invis)
+		invisibility = 100
+	else if (shielded == 2 || alien_invis)
 		invisibility = 2
 		//New stealth. Hopefully doesn't lag too much. /N
 		if(istype(loc, /turf))//If they are standing on a turf.

code/modules/mob/living/carbon/alien/larva/larva.dm

@@ -249,7 +249,9 @@
 			else
 				m_select.screen_loc = null
 
-	if (alien_invis)
+	if(client && client.admin_invis)
+		invisibility = 100
+	else if (alien_invis)
 		invisibility = 2
 		if(istype(loc, /turf))//If they are standing on a turf.
 			AddCamoOverlay(loc)//Overlay camo.

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

@@ -1112,6 +1112,14 @@
 					NinjaStealthMalf()
 		else
 			invisibility = 0
+
+	if(client && client.admin_invis)
+		invisibility = 100
+	else if (shielded == 2)
+		invisibility = 2
+	else
+		invisibility = 0
+
 /*
 	for (var/mob/M in viewers(1, src))//For the love of god DO NOT REFRESH EVERY SECOND - Mport
 		if ((M.client && M.machine == src))

code/modules/mob/living/carbon/monkey/monkey.dm

@@ -406,6 +406,11 @@
 		else
 			icon_state = "monkey0"
 
+	if(client && client.admin_invis)
+		invisibility = 100
+	else
+		invisibility = 0
+
 	if (wear_mask)
 		if (istype(wear_mask, /obj/item/clothing/mask))
 			var/t1 = wear_mask.icon_state