added link to moderation panel in navbar

app/models/user.rb

@@ -116,4 +116,10 @@ class User < ActiveRecord::Base
     increment! :commented_count
     answer.increment! :comment_count
   end
+
+  # @return [Boolean] is the user a moderator?
+  def mod?
+    return true if self.moderator? or self.admin?
+    false
+  end
 end

app/views/layouts/_header.html.haml

@@ -38,6 +38,8 @@
               - if current_user.admin?
                 %li= link_to "Kontrollzentrum", rails_admin_path
                 %li= link_to "Sidekiq", sidekiq_web_path
+              - if current_user.mod?
+                %li= link_to "Moderation panel", moderation_path
                 %li.divider
               %li= link_to "Logout",  destroy_user_session_path, method: :delete
       - else