wx: Now that Wii doesn't support descriptions, rename Notes to Maker

I'm not sure if Maker is the best name (Developer? Publisher?
Company? Copyright?) but I went with it because it's
what the game properties window uses. For the sake of
backwards compatibility, the INI option wasn't renamed.

Source/Core/Core/ConfigManager.h

@@ -84,7 +84,7 @@ struct SConfig : NonCopyable
 	// Game list column toggles
 	bool m_showSystemColumn;
 	bool m_showBannerColumn;
-	bool m_showNotesColumn;
+	bool m_showMakerColumn;
 	bool m_showIDColumn;
 	bool m_showRegionColumn;
 	bool m_showSizeColumn;