Load the EE namespace as soon as possible to avoid autoload issues

Signed-off-by: Rémy Coutable <remy@rymai.me>

config/initializers/1_settings.rb

 require_dependency Rails.root.join('lib/gitlab') # Load Gitlab as soon as possible
+require_dependency Rails.root.join('lib/ee') # Load EE as soon as possible
 
 class Settings < Settingslogic
   source ENV.fetch('GITLAB_CONFIG') { "#{Rails.root}/config/gitlab.yml" }

lib/ee.rb

+# Define the EE module
+module EE
+end