Merge branch 'select-a-tag' into 'master'

Select a tag

Related to #1603.

Prevent users looking to install GitLab from source from installing a release candidate by mistake.

See merge request !1274

doc/install/installation.md

@@ -6,9 +6,9 @@ Since a manual installation is a lot of work and error prone we strongly recomme
 
 ## Select Version to Install
 
-Make sure you view [this installation guide](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/install/installation.md) from the branch (version) of GitLab you would like to install. In most cases this should be the highest numbered stable branch (example shown below).
-
-![Select latest branch](https://i.imgur.com/Lrdxk1k.png)
+Make sure you view [this installation guide](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/install/installation.md) from the tag (version) of GitLab you would like to install.
+In most cases this should be the highest numbered production tag (without rc in it).
+You can select the tag in the version dropdown in the top left corner of GitLab (below the menu bar).
 
 If the highest number stable branch is unclear please check the [GitLab Blog](https://about.gitlab.com/blog/) for installation guide links by version.