Adding @SInCE to DefaultSslContextProvider.

Change-Id: Ie71804e7edfd5ddb14a9c3376916ce30f2a02293

Author: pavelbucek

core-client/src/main/java/org/glassfish/jersey/client/spi/DefaultSslContextProvider.java

@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015-2016 Oracle and/or its affiliates. All rights reserved.
  *
  * The contents of this file are subject to the terms of either the GNU
  * General Public License Version 2 only ("GPL") or the Common Development
@@ -46,16 +46,17 @@
 
 /**
  * Default {@link SSLContext} provider.
- * <p/>
+ * <p>
  * Can be used to override {@link SslConfigurator#getDefaultContext()}.
  *
  * @author Pavel Bucek (pavel.bucek at oracle.com)
+ * @since 2.21.1
  */
 public interface DefaultSslContextProvider {
 
     /**
      * Get default {@code SSLContext}.
-     * <p/>
+     * <p>
      * Returned instance is expected to be configured to container default values.
      *
      * @return default SSL context.