add ability to install pismo

MediaBrowser.Model/IO/IIsoMounter.cs

@@ -23,5 +23,29 @@ namespace MediaBrowser.Model.IO
         /// <param name="path">The path.</param>
         /// <returns><c>true</c> if this instance can mount the specified path; otherwise, <c>false</c>.</returns>
         bool CanMount(string path);
+
+        /// <summary>
+        /// Gets a value indicating whether [requires installation].
+        /// </summary>
+        /// <value><c>true</c> if [requires installation]; otherwise, <c>false</c>.</value>
+        bool RequiresInstallation { get; }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is installed.
+        /// </summary>
+        /// <value><c>true</c> if this instance is installed; otherwise, <c>false</c>.</value>
+        bool IsInstalled { get; }
+
+        /// <summary>
+        /// Installs this instance.
+        /// </summary>
+        /// <returns>Task.</returns>
+        Task Install(CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        string Name { get; }
     }
 }