Merge branch 'master' into 'master'

Jekyll Pages template: LC_ALL=C.UTF-8

See merge request gitlab-org/gitlab-ce!29907

lib/gitlab/ci/templates/Pages/Jekyll.gitlab-ci.yml

@@ -4,6 +4,7 @@ image: ruby:2.3
 
 variables:
   JEKYLL_ENV: production
+  LC_ALL: C.UTF-8
 
 before_script:
   - bundle install