Add GPL modules

MediaBrowser.Controller/Plugins/ILocalizablePlugin.cs

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+using System.IO;
+using System.Reflection;
+
+namespace MediaBrowser.Controller.Plugins
+{
+    public interface ILocalizablePlugin
+    {
+        Stream GetDictionary(string culture);
+    }
+
+    public static class LocalizablePluginHelper
+    {
+        public static Stream GetDictionary(Assembly assembly, string manifestPrefix, string culture)
+        {
+            // Find all dictionaries using GetManifestResourceNames, start start with the prefix
+            // Return the one for the culture if exists, otherwise return the default
+            return null;
+        } 
+    }
+}

MediaBrowser.Controller/Plugins/IPluginConfigurationPage.cs

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+using MediaBrowser.Common.Plugins;
+using System.IO;
+
+namespace MediaBrowser.Controller.Plugins
+{
+    /// <summary>
+    /// Interface IConfigurationPage
+    /// </summary>
+    public interface IPluginConfigurationPage
+    {
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        string Name { get; }
+
+        /// <summary>
+        /// Gets the type of the configuration page.
+        /// </summary>
+        /// <value>The type of the configuration page.</value>
+        ConfigurationPageType ConfigurationPageType { get; }
+
+        /// <summary>
+        /// Gets the plugin.
+        /// </summary>
+        /// <value>The plugin.</value>
+        IPlugin Plugin { get; }
+
+        /// <summary>
+        /// Gets the HTML stream.
+        /// </summary>
+        /// <returns>Stream.</returns>
+        Stream GetHtmlStream();
+    }
+
+    /// <summary>
+    /// Enum ConfigurationPageType
+    /// </summary>
+    public enum ConfigurationPageType
+    {
+        /// <summary>
+        /// The plugin configuration
+        /// </summary>
+        PluginConfiguration,
+        /// <summary>
+        /// The none
+        /// </summary>
+        None
+    }
+}

MediaBrowser.Controller/Plugins/IServerEntryPoint.cs

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+using System;
+
+namespace MediaBrowser.Controller.Plugins
+{
+    /// <summary>
+    /// Interface IServerEntryPoint
+    /// </summary>
+    public interface IServerEntryPoint : IDisposable
+    {
+        /// <summary>
+        /// Runs this instance.
+        /// </summary>
+        void Run();
+    }
+
+    public interface IRunBeforeStartup
+    {
+
+    }
+}