v1.2.0

Changelog

• Add GitLab support #25 - GitLab merge requests can now be deployed automatically!
  • Big thanks to @hugomd!
• Adopt Github Deployments #26 - This gives users a better UI to view their deployment status .
  • Big thanks to @paulirish!
• Upgrade to Node v8.0.0 / npm v5.0.0 #23 - Explicitly sets the Node version that now uses.