fix portable and 3.5 project references

MediaBrowser.Model/LiveTv/GuideInfo.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace MediaBrowser.Model.LiveTv
+{
+    public class GuideInfo
+    {
+        /// <summary>
+        /// Gets or sets the start date.
+        /// </summary>
+        /// <value>The start date.</value>
+        public DateTime StartDate { get; set; }
+
+        /// <summary>
+        /// Gets or sets the end date.
+        /// </summary>
+        /// <value>The end date.</value>
+        public DateTime EndDate { get; set; }
+    }
+}