Fix for pull request #85, modified a few for WebSocketServer.SslConfiguration property

Example2/Program.cs

@@ -29,8 +29,8 @@ namespace Example2
 #endif
       /* To provide the secure connection.
       var cert = ConfigurationManager.AppSettings["ServerCertFile"];
-      var password = ConfigurationManager.AppSettings["CertFilePassword"];
-      wssv.Certificate = new X509Certificate2 (cert, password);
+      var passwd = ConfigurationManager.AppSettings["CertFilePassword"];
+      wssv.SslConfiguration.ServerCertificate = new X509Certificate2 (cert, passwd);
        */
 
       /* To provide the HTTP Authentication (Basic/Digest).

websocket-sharp/Server/WebSocketServer.cs

@@ -442,15 +442,15 @@ namespace WebSocketSharp.Server
 
     /// <summary>
     /// Gets or sets the SSL configuration used to authenticate the server and optionally the client
-    /// on the secure connection.
+    /// for secure connection.
     /// </summary>
     /// <value>
-    /// A <see cref="ServerSslAuthConfiguration"/> that represents the SSL configuration used to
-    /// authenticate the server and optionally the client.
+    /// A <see cref="ServerSslAuthConfiguration"/> that represents the configuration used to
+    /// authenticate the server and optionally the client for secure connection.
     /// </value>
     public ServerSslAuthConfiguration SslConfiguration {
       get {
-        return _sslConfig;
+        return _sslConfig ?? (_sslConfig = new ServerSslAuthConfiguration (null));
       }
 
       set {