Installing GitLab 6.6 (6.x) on CentOS 6.5 with Percona Server 5.6

GitLab [http://gitlab.org/] CE (Community Edition) is essentially a self-hosted opensource clone of the online Git code repository service GitHub [https://github.com/]. The main installation guide [https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/install/installation.md] for GitLab was written for installation on Ubuntu/Debian operating systems.…