Add guide to upgrading Gitolite v2.x to v3.x for pre-existing Gitolite and Gitlab installs
Created by: dplarson
Could someone write up a guide on upgrade Gitolite v2.x to v3.x for pre-existing Gitolite and Gitlab installs? The current Gitolite upgrade documentation is a bit vague and not specific to Gitlab, which leads to general confusion (at least I think so).