add basic open subtitle configuration

MediaBrowser.Controller/Configuration/IServerConfigurationManager.cs

@@ -1,5 +1,7 @@
 using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Events;
 using MediaBrowser.Model.Configuration;
+using System;
 
 namespace MediaBrowser.Controller.Configuration
 {
@@ -8,6 +10,11 @@ namespace MediaBrowser.Controller.Configuration
     /// </summary>
     public interface IServerConfigurationManager : IConfigurationManager
     {
+        /// <summary>
+        /// Occurs when [configuration updating].
+        /// </summary>
+        event EventHandler<GenericEventArgs<ServerConfiguration>> ConfigurationUpdating;
+        
         /// <summary>
         /// Gets the application paths.
         /// </summary>

MediaBrowser.Controller/MediaBrowser.Controller.csproj

@@ -191,6 +191,7 @@
     <Compile Include="Providers\IMetadataProvider.cs" />
     <Compile Include="Providers\IMetadataService.cs" />
     <Compile Include="Providers\IRemoteMetadataProvider.cs" />
+    <Compile Include="Security\IEncryptionManager.cs" />
     <Compile Include="Subtitles\ISubtitleManager.cs" />
     <Compile Include="Subtitles\ISubtitleProvider.cs" />
     <Compile Include="Providers\ItemLookupInfo.cs" />

MediaBrowser.Controller/Security/IEncryptionManager.cs

@@ -0,0 +1,20 @@
+
+namespace MediaBrowser.Controller.Security
+{
+    public interface IEncryptionManager
+    {
+        /// <summary>
+        /// Encrypts the string.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>System.String.</returns>
+        string EncryptString(string value);
+
+        /// <summary>
+        /// Decrypts the string.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>System.String.</returns>
+        string DecryptString(string value);
+    }
+}