cleanup Model, remove MathUtil files, fix col major/row major errors

stepmania/src/PaneDisplay.cpp

@@ -298,15 +298,17 @@ void PaneDisplay::SetContent( PaneContents c )
 		str = ssprintf( "%.0f", val );
 	}
 
+	int p;
+
 	/* If this is a high score name that was set during this game, use the player's name. */
-	for( int p=0; p < NUM_PLAYERS; ++p )
+	for( p=0; p < NUM_PLAYERS; ++p )
 		if( str == RANKING_TO_FILL_IN_MARKER[p] )
 			str = PROFILEMAN->GetPlayerName( (PlayerNumber)p );
 
 	m_textContents[c].SetText( str );
 
 	const unsigned num = NUM_ITEM_COLORS( g_Contents[c].name );
-	for( unsigned p = 0; p < num; ++p )
+	for( p = 0; p < num; ++p )
 	{
 		const CString metric = ITEM_COLOR(g_Contents[c].name, p);
 		CStringArray spec;