updated devise to 4.2.0

app/controllers/registrations_controller.rb

@@ -22,11 +22,11 @@ class RegistrationsController < Devise::RegistrationsController
   end
 
   def configure_permitted_parameters
-    devise_parameter_sanitizer.for(:account_update) do |u|
+    devise_parameter_sanitizer.permit(:account_update) do |u|
       u.
           permit(:email, :password, :password_confirmation, :current_password, :username)
     end
-    devise_parameter_sanitizer.for(:sign_up) do |u|
+    devise_parameter_sanitizer.permit(:sign_up) do |u|
       u.
           permit(:email, :password, :password_confirmation, :name, :username)
     end

app/views/devise/shared/_openid_links.html.haml

@@ -1,7 +1,7 @@
 .text-center
   .btn-group.btn-group-lg
     - omniauth_configured.each do |provider|
-      = link_to user_omniauth_authorize_path(provider), class: "btn btn-success btn-lg",
+      = link_to "user_#{provider}_omniauth_authorize".to_sym, class: "btn btn-success btn-lg",
                                                         id: "omniauth-#{provider}",
                                                         title: "Your #{provider} login" do
         %i{:class => "fa fa-#{provider}"}