fix portable and 3.5 project references

MediaBrowser.Model/Session/PlayCommand.cs

@@ -0,0 +1,29 @@
+namespace MediaBrowser.Model.Session
+{
+    /// <summary>
+    /// Enum PlayCommand
+    /// </summary>
+    public enum PlayCommand
+    {
+        /// <summary>
+        /// The play now
+        /// </summary>
+        PlayNow = 0,
+        /// <summary>
+        /// The play next
+        /// </summary>
+        PlayNext = 1,
+        /// <summary>
+        /// The play last
+        /// </summary>
+        PlayLast = 2,
+        /// <summary>
+        /// The play instant mix
+        /// </summary>
+        PlayInstantMix = 3,
+        /// <summary>
+        /// The play shuffle
+        /// </summary>
+        PlayShuffle = 4
+    }
+}