The cacerts software definition we vendored was not compatible with our
version of omnibus-ruby.

Source:
https://github.com/opscode/omnibus-software/blob/d2f95b9db47bec479bb2e7e1182f1d6ca8845e28/config/software/cacerts.rb

Update templates for GitLab 7.1

See merge request !169

Add TLS parameter to SMTP default configuration

With 0e78bd84 the TLS parameter was added to the erb-smtp template.
This MR adds a `nil` default value to the default attributes.

See merge request !170

Increase git_max_size

See merge request !168

Pin down chef-gem's ohai dependency to 7.0.4

See merge request !166

Source:
https://github.com/opscode/omnibus-software/blob/4f92644e5aa0e728b34b82b21170d553826d5f41/config/software/chef-gem.rb

Use Ruby 2.1.2

Support the repository_downloads_path setting

Mountpoint check

Restricted visibility levels

This merge-request enables the __restricted_visibility_levels__ option in the gitlab config file (`/etc/gitlab/gitlab.rb`).

By default, it enables all the options: public, internal and private.

To disable __public__ and enable __internal__ and __private__, add the following line to your `/etc/gitlab/gitlab.rb`:
gitlab_rails['gitlab_restricted_visibility_levels'] = [ "public" ]

To disable __public__ and __internal__, and enable __private__, add one of the following lines to your `/etc/gitlab/gitlab.rb` (both are equivalent):
gitlab_rails['gitlab_restricted_visibility_levels'] = [ "public", "internal"]
gitlab_rails['gitlab_restricted_visibility_levels'] = [ "public", "internal", "private" ]

Don't give git sudo rights

As suggested by jacobvosmaer, see:
https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/162/diffs#note_159900

Only reject SMTP attributes which are nil

Support external Redis instances

Email Config: Fixes known SMTP TLS issue and allows new/missing attribute tls for the smtp settings

As indicated in gitlabhq issue #5636 (https://github.com/gitlabhq/gitlabhq/issues/5636), some servers get a Net::ReadTimeout problem due to a missing parameter in their actionmailer config.

This small fix allows setting the attribute tls by using `gitlab_rails['smtp_tls'] = true`.