Part 1 of economy rework: Spacecash refactor - See commit for full changelog.

* Implements stacking and stack overlays
 * Simplified tiers of cash (1,10,100,500,1000, may remove 500)
 * Simplified API (dispense_cash, count_cash)

Conflicts:
	code/modules/admin/admin_verbs.dm
	code/modules/admin/verbs/debug.dm
	code/modules/economy/ATM.dm

code/modules/admin/admin_verbs.dm

@@ -95,6 +95,7 @@ var/list/admin_verbs_fun = list(
 	/client/proc/toggle_random_events,
 	/client/proc/set_ooc,
 	/client/proc/editappear,
+	/client/proc/gib_money // /vg/
 	)
 var/list/admin_verbs_spawn = list(
 	/datum/admins/proc/spawn_atom,		/*allows us to spawn instances*/