app/views/application/_user_menus.html.haml
- if user_signed_in?
%li.dropdown{"data-dropdown" => "dropdown"}
%a.dropdown-toggle{:href => "#"}
= image_tag(gravatar_image_url(current_user.email, 18), :alt => current_user.name)
%b.caret
%ul.dropdown-menu
- if current_user.admin?
%li= link_to icon_with_content('cog', 'Dashboard'), "/admin"
%li= link_to icon_with_content('user', 'Profile'), profile_path
%li= link_to icon_with_content('off', 'Signout'), destroy_user_session_path