- Samsung J series: fixed deleting of channels

- LG GlobalClone: modified channel names were not written to the file
- LG GlobalClone: ask whether the conflicting xx*.TLL files should be
  renamed so that the TV can import the GlobalClone file.
- LG GlobalClone: improved support for old file format with may
  have caused errors due to invalid XML characters inside the file.
- Panasonic: re-enabled channel lists with gaps in the numbers
- Update-Check: looking for latest version at github.com
- Detecting corrupted files with 0 size or all bytes with value 0
- upgraded to latest DevExpress version

source/ChanSort.Loader.LG/TllFileSerializer.cs

@@ -192,7 +192,8 @@ namespace ChanSort.Loader.LG
     {
       if (fileContent.Length < 4)
         throw new FileLoadException(ERR_modelUnknown);
-      if (BitConverter.ToUInt32(fileContent, off) == 0x5A5A5A5A)
+      var magic = BitConverter.ToUInt32(fileContent, off);
+      if (magic == 0x5A5A5A5A || magic == 0xA5A5A5A5)
         off += 4;
     }
     #endregion