Adding basic coin support

stepmania/src/ScreenMemoryCard.h

@@ -15,10 +15,7 @@
 class ScreenMemoryCard : public ScreenAttract
 {
 public:
-
-private:
-	virtual CString	GetMetricName() { return "MemoryCard"; };	// used to look up theme metrics
-	virtual CString	GetElementName() { return "memory card"; };	// used to look up theme elements
+	ScreenMemoryCard() : ScreenAttract("MemoryCard","memory card") { };
 
 };