5   resources :users
 6   devise_for :users, :path => "", :path_names => { :sign_in => 'login', :sign_out
     => 'logout', :password => 'secret', :confirmation => 'verification', :unlock =>
     'unblock', :registration => 'register', :sign_up => 'cmon_let_me_in' }

= link_to 'sign_out', destroy_user_session_path, :method => :delete

<%= link_to "Sign Out", destroy_user_session_path %>

<%= link_to "sign out", destroy_user_session_path, method: :delete %>