Merge pull request #619 from github/jekyll-github-metadata-v2-12-0

Bump jekyll-github-metadata to v2.12.1

Author: parkr

lib/github-pages/dependencies.rb

@@ -27,7 +27,7 @@ class Dependencies
       "jekyll-paginate"        => "1.1.0",
       "jekyll-coffeescript"    => "1.1.1",
       "jekyll-seo-tag"         => "2.5.0",
-      "jekyll-github-metadata" => "2.11.0",
+      "jekyll-github-metadata" => "2.12.1",
       "jekyll-avatar"          => "0.6.0",
       "jekyll-remote-theme"    => "0.3.1",