Render Club ad expenses as positive red number

src/uncategorized/clubAdvertisement.tw

@@ -132,7 +132,7 @@
 
 <p>
 	<div>
-		You are spending <<print cashFormatColor(forceNeg($clubAdsSpending))>> each week to advertise $clubName.
+		You are spending <<print cashFormatColor($clubAdsSpending, true)>> each week to advertise $clubName.
 	</div>
 
 	<div>