- music player uses URI's instead of enum from music base

- #1045 and #1046 should be fixed
- moved pregame backgrounds to config/mainmenu
- animation can be overriden with .json multiple times

client/UIFramework/CIntObjectClasses.cpp

@@ -1303,7 +1303,6 @@ void CBoundedLabel::recalculateLines(const std::string &Txt)
 
 	const Font &f = *graphics->fonts[font];
 	int lineHeight =  f.height; 
-	int lineCapacity = pos.h / lineHeight;
 
 	lines = CMessage::breakText(Txt, pos.w, font);