Update README.md and README_cn.md to latest version v1.6, test=release/1.6 (#20843) (#20865)

Author: JepsonWong

README.md

@@ -3,8 +3,8 @@
 English | [简体中文](./README_cn.md)
 
 [![Build Status](https://travis-ci.org/PaddlePaddle/Paddle.svg?branch=develop)](https://travis-ci.org/PaddlePaddle/Paddle)
-[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg?style=flat)](http://www.paddlepaddle.org.cn/documentation/docs/en/1.5/beginners_guide/index_en.html)
-[![Documentation Status](https://img.shields.io/badge/中文文档-最新-brightgreen.svg)](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/beginners_guide/index_cn.html)
+[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg?style=flat)](http://www.paddlepaddle.org.cn/documentation/docs/en/1.6/beginners_guide/index_en.html)
+[![Documentation Status](https://img.shields.io/badge/中文文档-最新-brightgreen.svg)](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.6/beginners_guide/index_cn.html)
 [![Release](https://img.shields.io/github/release/PaddlePaddle/Paddle.svg)](https://github.com/PaddlePaddle/Paddle/releases)
 [![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](LICENSE)
 
@@ -18,17 +18,15 @@ learning to many products at Baidu.
 Our vision is to enable deep learning for everyone via PaddlePaddle.
 Please refer to our [release announcement](https://github.com/PaddlePaddle/Paddle/releases) to track the latest feature of PaddlePaddle.
 
-### Latest PaddlePaddle Release: [v1.5.2](https://github.com/PaddlePaddle/Paddle/tree/release/1.5)
+### Latest PaddlePaddle Release: [v1.6](https://github.com/PaddlePaddle/Paddle/tree/release/1.6)
 ### Install Latest Stable Release:
 ```
 # Linux CPU
 pip install paddlepaddle
 # Linux GPU cuda10cudnn7
 pip install paddlepaddle-gpu
-# Linux GPU cuda8cudnn7
-pip install paddlepaddle-gpu==1.5.2.post87
 # Linux GPU cuda9cudnn7
-pip install paddlepaddle-gpu==1.5.2.post97
+pip install paddlepaddle-gpu==1.6.0.post97
 
 
 # For installation on other platform, refer to http://paddlepaddle.org/
@@ -77,26 +75,26 @@ Now our developers could acquire Tesla V100 online computing resources for free.
 
 ## Installation
 
-It is recommended to read [this doc](http://www.paddlepaddle.org.cn/documentation/docs/en/1.5/beginners_guide/index_en.html) on our website.
+It is recommended to read [this doc](http://www.paddlepaddle.org.cn/documentation/docs/en/1.6/beginners_guide/index_en.html) on our website.
 
 ## Documentation
 
-We provide [English](http://www.paddlepaddle.org.cn/documentation/docs/en/1.5/beginners_guide/index_en.html) and
-[Chinese](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/beginners_guide/install/index_cn.html) documentation.
+We provide [English](http://www.paddlepaddle.org.cn/documentation/docs/en/1.6/beginners_guide/index_en.html) and
+[Chinese](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.6/beginners_guide/install/index_cn.html) documentation.
 
 - [Deep Learning 101](https://github.com/PaddlePaddle/book)
 
   You might want to start from this online interactive book that can run in a Jupyter Notebook.
 
-- [Distributed Training](http://paddlepaddle.org.cn/documentation/docs/en/1.5/user_guides/howto/training/multi_node_en.html)
+- [Distributed Training](http://paddlepaddle.org.cn/documentation/docs/en/1.6/user_guides/howto/training/multi_node_en.html)
 
   You can run distributed training jobs on MPI clusters.
 
-- [Python API](http://paddlepaddle.org.cn/documentation/docs/en/1.5/api/index_en.html)
+- [Python API](http://paddlepaddle.org.cn/documentation/docs/en/1.6/api/index_en.html)
 
    Our new API enables much shorter programs.
 
-- [How to Contribute](http://paddlepaddle.org.cn/documentation/docs/en/1.5/advanced_usage/development/contribute_to_paddle/index_en.html)
+- [How to Contribute](http://paddlepaddle.org.cn/documentation/docs/en/1.6/advanced_usage/development/contribute_to_paddle/index_en.html)
 
    We appreciate your contributions!
 

README_cn.md

@@ -3,8 +3,8 @@
 [English](./README.md) | 简体中文
 
 [![Build Status](https://travis-ci.org/PaddlePaddle/Paddle.svg?branch=develop)](https://travis-ci.org/PaddlePaddle/Paddle)
-[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg?style=flat)](http://www.paddlepaddle.org.cn/documentation/docs/en/1.5/beginners_guide/index_en.html)
-[![Documentation Status](https://img.shields.io/badge/中文文档-最新-brightgreen.svg)](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/beginners_guide/index_cn.html)
+[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg?style=flat)](http://www.paddlepaddle.org.cn/documentation/docs/en/1.6/beginners_guide/index_en.html)
+[![Documentation Status](https://img.shields.io/badge/中文文档-最新-brightgreen.svg)](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.6/beginners_guide/index_cn.html)
 [![Release](https://img.shields.io/github/release/PaddlePaddle/Paddle.svg)](https://github.com/PaddlePaddle/Paddle/releases)
 [![License](https://img.shields.io/badge/license-Apache%202-blue.svg)](LICENSE)
 
@@ -16,17 +16,15 @@ PaddlePaddle (PArallel Distributed Deep LEarning) 是一个简单易用、高效
 
 跟进PaddlePaddle最新特性请参考我们的[版本说明](https://github.com/PaddlePaddle/Paddle/releases)
 
-### PaddlePaddle最新版本: [v1.5.2](https://github.com/PaddlePaddle/Paddle/tree/release/1.5)
+### PaddlePaddle最新版本: [v1.6](https://github.com/PaddlePaddle/Paddle/tree/release/1.6)
 ### 安装最新稳定版本:
 ```
 # Linux CPU
 pip install paddlepaddle
 # Linux GPU cuda10cudnn7
 pip install paddlepaddle-gpu
-# Linux GPU cuda8cudnn7
-pip install paddlepaddle-gpu==1.5.2.post87
 # Linux GPU cuda9cudnn7
-pip install paddlepaddle-gpu==1.5.2.post97
+pip install paddlepaddle-gpu==1.6.0.post97
 
 
 # 其他平台上的安装指引请参考 http://paddlepaddle.org/
@@ -59,26 +57,26 @@ PaddlePaddle用户可领取**免费Tesla V100在线算力资源**，训练模型
 
 ## 安装
 
-推荐阅读官网上的[安装说明](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/beginners_guide/install/index_cn.html)
+推荐阅读官网上的[安装说明](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.6/beginners_guide/install/index_cn.html)
 
 ## 文档
 
-我们提供[英文](http://www.paddlepaddle.org.cn/documentation/docs/en/1.5/beginners_guide/index_en.html)和
-[中文](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/beginners_guide/install/index_cn.html) 文档
+我们提供[英文](http://www.paddlepaddle.org.cn/documentation/docs/en/1.6/beginners_guide/index_en.html)和
+[中文](http://www.paddlepaddle.org.cn/documentation/docs/zh/1.6/beginners_guide/install/index_cn.html) 文档
 
 - [深度学习101](https://github.com/PaddlePaddle/book)
 
   或许您想从这个在线交互式书籍开始，可以在Jupyter Notebook中运行
 
-- [分布式训练](http://paddlepaddle.org.cn/documentation/docs/zh/1.5/user_guides/howto/training/multi_node.html)
+- [分布式训练](http://paddlepaddle.org.cn/documentation/docs/zh/1.6/user_guides/howto/training/multi_node.html)
 
   可以在MPI集群上运行分布式训练任务
 
-- [Python API](http://paddlepaddle.org.cn/documentation/docs/zh/1.5/api_cn/index_cn.html)
+- [Python API](http://paddlepaddle.org.cn/documentation/docs/zh/1.6/api_cn/index_cn.html)
 
    新的API支持代码更少更简洁的程序
 
-- [贡献方式](http://paddlepaddle.org.cn/documentation/docs/zh/1.5/advanced_usage/development/contribute_to_paddle/index_cn.html)
+- [贡献方式](http://paddlepaddle.org.cn/documentation/docs/zh/1.6/advanced_usage/development/contribute_to_paddle/index_cn.html)
 
    欢迎您的贡献!