Update libyaml to 0.1.6
Pin gitlab to v6.7.3
Pin gitlab-rails to 6.7.1-ee
Pin GitLab to v6.7.2
Set HOME in rake wrapper
Pin gitlab-rails to v6.6.5
Pin gitlab-rails version to v6.6.3-ee
Pin GitLab to v6.6.4
GitLab 6.6.2 EE omnibus
Pin gitlab-rails version to v6.6.1
Omnibus bug fixes; external_url feature
Include CentOS fixes
Pin gitlab-rails to v6.6.0.pre1