added more image providers

MediaBrowser.Controller/Entities/IHasSeries.cs

@@ -0,0 +1,12 @@
+
+namespace MediaBrowser.Controller.Entities
+{
+    public interface IHasSeries
+    {
+        /// <summary>
+        /// Gets the name of the series.
+        /// </summary>
+        /// <value>The name of the series.</value>
+        string SeriesName { get; }
+    }
+}