Menu sprites from Micropolis

- Removed UI from ZC's Dress Up (may return in a later time)
- Power stations
- Simplified UI
- Time now works
- Income and expenses

scripts/game.gd

@@ -0,0 +1,10 @@
+extends Node2D
+
+onready var quarters = $Quarters
+
+func _on_Quarters_timeout():
+	SimData.year += 1
+	SimData.prev_quarter = SimData.quarter
+	
+	SimEvents.emit_signal("budget")	
+	quarters.start()