Link to install guide must point to latest release automatically,

README.md

@@ -49,18 +49,14 @@
 
 #### Official production installation
 
-Follow the installation guide for production server.
-
-* [Installation guide for latest stable release (5.0)](https://github.com/gitlabhq/gitlabhq/blob/5-0-stable/doc/install/installation.md) - **Recommended**
-
-* [Installation guide for the current master branch (5.1)](https://github.com/gitlabhq/gitlabhq/blob/master/doc/install/installation.md)
+* [Installation guide for a production server](https://github.com/gitlabhq/gitlabhq/blob/master/doc/install/installation.md)
 
 
 #### Official development installation
 
 If you want to contribute, please first read our [Contributing Guidelines](https://github.com/gitlabhq/gitlabhq/blob/master/CONTRIBUTING.md) and then we suggest you to use the Vagrant virtual machine project to get an environment working with all dependencies.
 
-* [Vagrant virtual machine](https://github.com/gitlabhq/gitlab-vagrant-vm)
+* [Vagrant virtual machine for development](https://github.com/gitlabhq/gitlab-vagrant-vm)
 
 
 #### Unsupported production installation