Merge pull request #81 from promethe42/fix/intl-polyfill-init

Fix the window.Intl polyfill init.

Merge pull request #78 from yaubi/firewall.cleanup

firewall: Remove failing pre-stop command from Upstart script

firewall: Lower case provisioning step names

firewall: Remove misleading comment

Merge pull request #77 from promethe42/fix/firewall-http

Fix the firewall to allow both HTTP and HTTPS.

Merge remote-tracking branch 'origin/master'

Merge branch 'yaubi-webhooks'

Fix certbot install and usage.

Fix cron job definition.

Add a cron job to remove old ethash DAG files.

Merge pull request #70 from yaubi/issue-69.firewall

Merge branch 'master' into issue-69.firewall