Skin class now emits a signal when a skin has (hopefully) been loaded.

Widgets interested in such events handle the signal and update their
pixmaps accordingly.

NumberDisplay.h

@@ -15,9 +15,12 @@ class NumberDisplay : public PixWidget
 	public:
 		NumberDisplay (QWidget *parent, uint, uint);
 		~NumberDisplay ();
-		
+
 		void setNumber (uint, uint);
 
+	public slots:
+		void setPixmaps (Skin *skin);
+
 	protected:
 		int m_w;
 		int m_startpx;