Adds weaponry permission access and a bit more (#4665)

-adds weaponry permission access, that is used by the securitron to check if the person can use a weapon, added to all security roles, the head of personnel and the captain
-added a firing pin that checks for access
-fixed the ert id having access to things they should not

code/modules/mob/living/bot/secbot.dm

@@ -4,7 +4,7 @@
 	icon_state = "secbot0"
 	maxHealth = 50
 	health = 50
-	req_one_access = list(access_security, access_forensics_lockers)
+	req_one_access = list(access_security, access_forensics_lockers, access_weapons)
 	botcard_access = list(access_security, access_sec_doors, access_forensics_lockers, access_morgue, access_maint_tunnels)
 
 	var/mob/target

code/modules/mob/living/silicon/robot/presets.dm

@@ -9,7 +9,7 @@
 	scrambledcodes = 1
 	lawupdate = 0
 	lawpreset = /datum/ai_laws/nanotrasen_aggressive
-	idcard_type = /obj/item/weapon/card/id/centcom/ERT
+	idcard_type = /obj/item/weapon/card/id/ert
 	key_type = /obj/item/device/encryptionkey/ert
 
 /mob/living/silicon/robot/combat/ert/init()