Merge branch 'release-0.3' into develop

Conflicts:
	Vocaluxe/Base/CConfig.cs
	Vocaluxe/Lib/Playlist/CPlaylistFile.cs
	Vocaluxe/Screens/CScreenSong.cs
	VocaluxeLib/CHelper.cs
	VocaluxeLib/Menu/CMenu.cs
	VocaluxeLib/Menu/SongMenu/CSongMenuFramework.cs
	VocaluxeLib/Menu/SongMenu/CSongMenuTileBoard.cs

VocaluxeLib/CHelper.cs

@@ -140,6 +140,8 @@ namespace VocaluxeLib
         {
             var files = new List<string>();
             var dir = new DirectoryInfo(path);
+            if (!dir.Exists)
+                return files;
 
             try
             {