add music videos library (#125)

* add music videos library

* add music video tables

* first pass at music video library scan

* support music videos in playouts

* display music videos in search results and collections

* fix music video thumbnails

* remove some obsolete fields

ErsatzTV.Core/Domain/Library/LibraryMediaKind.cs

@@ -3,6 +3,7 @@
     public enum LibraryMediaKind
     {
         Movies = 1,
-        Shows = 2
+        Shows = 2,
+        MusicVideos = 3
     }
 }

ErsatzTV.Core/Domain/MediaItem/MediaVersion.cs

@@ -13,16 +13,6 @@ namespace ErsatzTV.Core.Domain
         public TimeSpan Duration { get; set; }
         public string SampleAspectRatio { get; set; }
         public string DisplayAspectRatio { get; set; }
-
-        [Obsolete("Use MediaSource instead")]
-        public string VideoCodec { get; set; }
-
-        [Obsolete("Use MediaSource instead")]
-        public string VideoProfile { get; set; }
-
-        [Obsolete("Use MediaSource instead")]
-        public string AudioCodec { get; set; }
-
         public VideoScanKind VideoScanKind { get; set; }
         public DateTime DateAdded { get; set; }
         public DateTime DateUpdated { get; set; }

ErsatzTV.Core/Domain/MediaItem/MusicVideo.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+
+namespace ErsatzTV.Core.Domain
+{
+    public class MusicVideo : MediaItem
+    {
+        public List<MusicVideoMetadata> MusicVideoMetadata { get; set; }
+        public List<MediaVersion> MediaVersions { get; set; }
+    }
+}

ErsatzTV.Core/Domain/Metadata/MusicVideoMetadata.cs

@@ -0,0 +1,11 @@
+namespace ErsatzTV.Core.Domain
+{
+    public class MusicVideoMetadata : Metadata
+    {
+        public string Album { get; set; }
+        public string Plot { get; set; }
+        public string Artist { get; set; }
+        public int MusicVideoId { get; set; }
+        public MusicVideo MusicVideo { get; set; }
+    }
+}