Added '* @SInCE 1.6.1' in method doc

Author: Yuval-Roth

src/main/java/org/java_websocket/client/WebSocketClient.java

@@ -335,6 +335,7 @@ public boolean reconnectBlocking() throws InterruptedException {
    * @param timeUnit The timeout time unit
    * @return Returns whether it succeeded or not.
    * @throws InterruptedException Thrown when the threads get interrupted
+   * @since 1.6.1
    */
   public boolean reconnectBlocking(long timeout, TimeUnit timeUnit) throws InterruptedException {
     reset();