Replace backticks with Gitlab::Popen
Remove duplicate code
Replace shell commands with FileUtils
Invoke Kernel#system with separate arguments
change deploy.sh without mysql, now that we are moving to postgres
prioritise postgres in doc/update/patch_versions.md, assume postgres in doc/update/ruby.md
 Merge branch 'update/deploy.sh' into 'master'

change mysql to postgres in some of the docs and scripts

* update deploy.sh, install gem without mysql, now that we want to use postgres instead
* update update_patch.md to assume postgres before mysql
* update ruby.md, to assume postgres
The packages are production ready.
Add ruby to package.
 Merge branch 'out-of-beta' into 'master'

Out Of Beta
 Merge branch 'shell_new_style' into 'master'

Use new style shell commands
added verify false on gitlab_ci integrations

For those of us running self-signed in gitlab-ci it generates 500s SSL_verify errors if you don't have this.
Update gitlab_git to 5.7

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
 Merge branch 'gitlab_git_5-7' into 'master'

Update gitlab_git to 5.7
Fixed readme page title
Add GFM autocompletion for MergeRequests

Requested
[here](http://feedback.gitlab.com/forums/176466-general/suggestions/5507440-auto-complete-merge-requests-in-gitlab-markdown).
Merge pull request #6475 from tsigo/merge-request-autocomplete

Add GFM autocompletion for MergeRequests
Merge pull request #6473 from veonik/fix-readme-title

Fixed readme title
Use rails helper image-url for reference images in css

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Added part about the help to markdown