Temporary fix for #4305: Cant preview attached png images on notes; attachment.secure_url returns an url which is accessible
Merge remote-tracking branch 'upstream/master' into fix-4305
Add rake task to install or upgrade gitlab-shell installation.
Add documentation for new rake task to install gitlab-shell.
Fix typo in documentation
Commit message textareas have 72 char mark line.
Fix bug in which a line count without empty lines was incorrectly used
Expose archive status of projects in API

That way clients like Gitlab CI can decide to show or hide projects
based on that information
Add info about exposed Project::archived to API docs
Ensure git user can create the database. Fix #175
Serve a file if in wiki.
Add support for side-by-side inline comments
start to make the monthly release doc a step by step guide
Added Laravel API Wrapper
Typo fix
Allow nested files in wiki.
Remove markdown notation from notification emails
Remove redundant signin link from signin page.
Remove empty line.
improve headers, add details