Change color representation

Allow missing ARGB values (defaults to 1)
Allow Name+ARGB to easily overwrite some values

VocaluxeLib/Menu/SongMenu/CSongMenuTileBoard.cs

@@ -19,7 +19,6 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
-using System.Xml;
 using VocaluxeLib.Draw;
 using VocaluxeLib.PartyModes;
 using VocaluxeLib.Songs;