Add production clause to gitlab

.gitlab-ci.yml

@@ -82,7 +82,7 @@ deploy_devel:
 
 deploy_production:
   tags:
-  - deploy-production
+  - deploy-prod-2019
   stage: deploy
   script:
   - echo "Deploy to ${CI_BUILD_REF_SLUG} server"
@@ -99,4 +99,4 @@ deploy_production:
     name: production
     url: https://quiz.compute.dtu.dk
   only:
-  - master
+  - release-2019.0