Merge pull request #811 from thogil/item_identity_providers_2

Item identity providers

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -32,6 +32,7 @@ namespace MediaBrowser.Controller.Entities
             ProviderIds = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
             LockedFields = new List<MetadataFields>();
             ImageInfos = new List<ItemImageInfo>();
+            Identities = new List<IItemIdentity>();
         }
 
         /// <summary>
@@ -244,6 +245,9 @@ namespace MediaBrowser.Controller.Entities
 
         public bool IsUnidentified { get; set; }
 
+        [IgnoreDataMember]
+        public List<IItemIdentity> Identities { get; set; }
+
         /// <summary>
         /// Gets or sets the locked fields.
         /// </summary>

MediaBrowser.Controller/Entities/IHasMetadata.cs

@@ -1,4 +1,5 @@
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
 using System;
 using System.Collections.Generic;
@@ -55,5 +56,10 @@ namespace MediaBrowser.Controller.Entities
         /// </summary>
         /// <value><c>true</c> if this instance is unidentified; otherwise, <c>false</c>.</value>
         bool IsUnidentified { get; set; }
+
+        /// <summary>
+        /// Gets the item identities.
+        /// </summary>
+        List<IItemIdentity> Identities { get; set; }
     }
 }