[rake] Add puppet-lint task (disable 80char warn)
[pre] Add python-docutils (additional package of 6.0)
[init] Use gitlab_branch var for redhat warning
[params] Switch to gitlab 6.0-stable and gitlab-shell v1.7.0
[templates] Update gitlab/unicorn/init templates for 6.0
[server] Re-re switch from puma to unicorn :-)
write nginx vhost config only when using nginx
[params] Fix gitlab branch name s/./-