Merge branch 'bump-pages-to-0.2.2' into 'master'

Update GitLab Pages to 0.2.2

This fixes rendering of predefined 404 page for GitLab Pages.


See merge request !322

CHANGELOG

@@ -21,6 +21,7 @@ v 8.7.0 (unreleased)
   - Remove "Congratulations!" tweet button on newly-created project. (Connor Shea)
   - Improved UX of the navigation sidebar
   - Build status notifications
+  - Update GitLab Pages to 0.2.2: fixes content-type of predefined 404 page
 
 v 8.6.4
   - Don't attempt to fetch any tags from a forked repo (Stan Hu)

GITLAB_PAGES_VERSION

-0.2.1
+0.2.2