- added experimental support for Loewe / Hisense 2017 servicelist.db

file format
- show error message when trying to open a .zip file that doen't contain
  the expected files of a Samsung J series or Toshiba .zip channel list
- show error message when trying to open a broken .zip file, which is
  most likely caused by exporting to a USB stick formatted with NTFS
- allow changing the "crypt" flag for Samsung .scm lists
- iterating through loaders supporting a file extension till one can read the file

source/ChanSort.Loader.LG/TllFileSerializerPlugin.cs

@@ -4,7 +4,7 @@ namespace ChanSort.Loader.LG
 {
   public class TllFileSerializerPlugin : ISerializerPlugin
   {
-    public string PluginName { get { return "LG-Electronics xx*.tll"; } }
+    public string PluginName { get { return "LG model specific (xx*.tll)"; } }
     public string FileFilter { get { return "xx*.TLL"; } }
 
     #region CreateSerializer()