Add GPL modules

MediaBrowser.Controller/Extensions/StringExtensions.cs

@@ -0,0 +1,17 @@
+using MediaBrowser.Model.Globalization;
+
+namespace MediaBrowser.Controller.Extensions
+{
+    /// <summary>
+    /// Class BaseExtensions
+    /// </summary>
+    public static class StringExtensions
+    {
+        public static ILocalizationManager LocalizationManager { get; set; }
+
+        public static string RemoveDiacritics(this string text)
+        {
+            return LocalizationManager.RemoveDiacritics(text);
+        }
+    }
+}