gitlabhq/gitlabhq — pull request #8152 by arruda (2014-10-23 12:47:38+00:00)
Title: adding "Update gitlab-shell" info in doc 7.3-to-7.4.md

I just saw that this section was missing from the doc, and got it from the `6.x-or-7.x-to-7.4.md`.
And I followed the order that it used to appear in others docs like `7.2-to-7.3.md`