Vault Overhaul (#5612)

Vault was poorly designed and an antag deathtrap. 
This PR changes it and the contents inside so it's desirable for some antags.

code/modules/clothing/spacesuits/rig/suits/alien.dm

@@ -66,6 +66,9 @@
 
 		)
 
+/obj/item/weapon/rig/vaurca/minimal
+	initial_modules = list(/obj/item/rig_module/chem_dispenser/vaurca)
+
 /obj/item/clothing/head/helmet/space/rig/vaurca
 	species_restricted = list("Vaurca")
 	light_overlay = "helmet_light_dual_green"

code/modules/clothing/spacesuits/rig/suits/ert.dm

@@ -115,3 +115,6 @@
 		/obj/item/rig_module/datajack,
 		/obj/item/rig_module/actuators/combat
 		)
+
+/obj/item/weapon/rig/ert/assetprotection/empty
+	initial_modules = list()

code/modules/power/apc.dm

@@ -45,6 +45,11 @@
 	req_access = null
 	req_one_access = list(access_engine_equip,access_research,access_xenobiology)
 
+
+/obj/machinery/power/apc/vault
+	cell_type = /obj/item/weapon/cell
+	req_access = list(access_captain)
+
 // Construction site APC, starts turned off
 /obj/machinery/power/apc/high/inactive
 	cell_type = /obj/item/weapon/cell/high