Add X-Forwarded-For to nginx config
Reorder steps to install web server before running gitlab:check
fix most of warnings
Allow user to hide the message to add an ssh key permanently

Favor links instead of buttons

Remove unnecessary class

Remove extra space
Merge pull request #5847 from skv-headless/fix_deprecation_warnings

fix most of warnings
Merge pull request #5849 from bke-drewb/feature/hide_no_ssh_key_message

Allow user to hide the message to add an ssh key permanently
Merge pull request #5617 from zeeZ/nginx-proxy

Add X-Forwarded-For to nginx config
Merge pull request #5645 from sajanp/enhancement/install-guide

Reorder steps to install web server before running gitlab:check
Fixed db schema

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'master' of github.com:gitlabhq/gitlabhq