update README with latest version number (#1913)

README.md

@@ -25,7 +25,7 @@ The tool manages automated machine learning (AutoML) experiments, **dispatches a
 * Researchers and data scientists who want to easily **implement and experiement new AutoML algorithms**, may it be: hyperparameter tuning algorithm, neural architect search algorithm or model compression algorithm.
 * ML Platform owners who want to **support AutoML in their platform**.
 
-### **NNI v1.2 has been released! &nbsp;<a href="#nni-released-reminder"><img width="48" src="docs/img/release_icon.png"></a>**
+### **NNI v1.3 has been released! &nbsp;<a href="#nni-released-reminder"><img width="48" src="docs/img/release_icon.png"></a>**
 
 ## **NNI capabilities in a glance**
 NNI provides CommandLine Tool as well as an user friendly WebUI to manage training experiements. With the extensible API, you can customize your own AutoML algorithms and training services. To make it easy for new users, NNI also provides a set of build-in stat-of-the-art AutoML algorithms and out of box support for popular training platforms. 
@@ -229,7 +229,7 @@ Linux and MacOS
 * Run the following commands in an environment that has `python >= 3.5`, `git` and `wget`.
 
 ```bash
-    git clone -b v1.2 https://github.com/Microsoft/nni.git
+    git clone -b v1.3 https://github.com/Microsoft/nni.git
     cd nni
     source install.sh
 ```
@@ -239,7 +239,7 @@ Windows
 * Run the following commands in an environment that has `python >=3.5`, `git` and `PowerShell`
 
 ```bash
-  git clone -b v1.2 https://github.com/Microsoft/nni.git
+  git clone -b v1.3 https://github.com/Microsoft/nni.git
   cd nni
   powershell -ExecutionPolicy Bypass -file install.ps1
 ```
@@ -255,7 +255,7 @@ The following example is an experiment built on TensorFlow. Make sure you have *
 * Download the examples via clone the source code.
 
 ```bash
-    git clone -b v1.2 https://github.com/Microsoft/nni.git
+    git clone -b v1.3 https://github.com/Microsoft/nni.git
 ```
 
 Linux and MacOS

docs/en_US/conf.py

@@ -22,13 +22,13 @@
 # -- Project information ---------------------------------------------------
 
 project = 'Neural Network Intelligence'
-copyright = '2019, Microsoft'
+copyright = '2020, Microsoft'
 author = 'Microsoft'
 
 # The short X.Y version
 version = ''
 # The full version, including alpha/beta/rc tags
-release = 'v1.2'
+release = 'v1.3'
 
 # -- General configuration ---------------------------------------------------