[3.2.0] Update API Manager version in documentation

CONTRIBUTING.md

@@ -23,21 +23,21 @@ The issues page on GitHub is for tracking bugs and feature requests. When posing
 
 If you like to contribute with a bug fix or a new feature, start by posting an issue and discussing the best way to implement it.
 
-Unlike most projects, development for this repository is carried out on the `3.1.x` branch. This is because the master branch contains
-the latest stable release of the project. The code in `3.1.x` is merged to the master branch after a final review and a round of testing.
+Unlike most projects, development for this repository is carried out on the `3.2.x` branch. This is because the master branch contains
+the latest stable release of the project. The code in `3.2.x` is merged to the master branch after a final review and a round of testing.
 
 Please follow these guidelines when contributing to the code:
 
 1. Fork the current repository.
-2. Create a topic branch from the `3.1.x` branch.
+2. Create a topic branch from the `3.2.x` branch.
 3. Make commits in logical units.
 4. Before you send out the pull request, sync your forked repository with a remote repository. This makes your pull request simple and clear.
 
 ```bash
 git clone https://github.com/<user>/kubernetes-apim.git
 git remote add upstream https://github.com/wso2/kubernetes-apim.git
 git fetch upstream
-git checkout -b <topic-branch> upstream/3.1.x
+git checkout -b <topic-branch> upstream/3.2.x
 
 # add some work
 

README.md

@@ -18,7 +18,7 @@
 
 ## Changelog
 
-**Change log** from previous `v3.1.0.2` release: [View Here](CHANGELOG.md)
+**Change log** from previous `v3.1.0.3` release: [View Here](CHANGELOG.md)
 
 ## Reporting issues