re-added m2ts to know file lists

NzbDrone.Core/MediaFiles/DiskScanService.cs

@@ -23,9 +23,12 @@ namespace NzbDrone.Core.MediaFiles
         private readonly HashSet<string> _mediaExtensions;
 
         private const string EXTENSIONS =
+            //XBMC
             ".m4v .3gp .nsv .ts .ty .strm .rm .rmvb .m3u .ifo .mov .qt .divx .xvid .bivx .vob .nrg .img" +
             ".iso .pva .wmv .asf .asx .ogm .m2v .avi .bin .dat .dvr-ms .mpg .mpeg .mp4 .mkv .avc .vp3 " +
-            ".svq3 .nuv .viv .dv .fli .flv .wpl";
+            ".svq3 .nuv .viv .dv .fli .flv .wpl" +
+            //Other
+            ".m2ts";
 
         private readonly IDiskProvider _diskProvider;
         private readonly IMakeImportDecision _importDecisionMaker;
@@ -44,7 +47,7 @@ namespace NzbDrone.Core.MediaFiles
             _messageAggregator = messageAggregator;
             _logger = logger;
 
-            _mediaExtensions = new HashSet<string>(EXTENSIONS.Split(' '));
+            _mediaExtensions = new HashSet<string>(EXTENSIONS.Split(' ').Select(c => c.ToLower()));
         }
 
         private void Scan(Series series)