Move Go header to the top of the head to work around broken Go parsing.

app/views/layouts/_head.html.haml

 %head
   %meta{charset: "utf-8"}
+
+  -# Go repository retrieval support
+  -# Need to be the fist thing in the head
+  -# Since Go is using an XML parser to process HTML5
+  -# https://github.com/gitlabhq/gitlabhq/pull/5958#issuecomment-45397555
+  - if controller_name == 'projects' && action_name == 'show'
+    %meta{name: "go-import", content: "#{@project.web_url_without_protocol} git #{@project.web_url}.git"}
+
   %title
     = "#{title} | " if defined?(title)
     GitLab
@@ -24,8 +32,3 @@
         = auto_discovery_link_tag(:atom, project_commits_url(@project, @ref, format: :atom, private_token: current_user.private_token), title: "Recent commits to #{@project.name}:#{@ref}")
       - if current_controller?(:issues)
         = auto_discovery_link_tag(:atom, project_issues_url(@project, :atom, private_token: current_user.private_token), title: "#{@project.name} issues")
-
-  -# Go repository retrieval support.
-  - if controller_name == 'projects' && action_name == 'show'
-    %meta{name: "go-import", content: "#{@project.web_url_without_protocol} git #{@project.web_url}.git"}
-