Upgraded to open_id_authentication plugin at 00d8bc7f97 and unpacked ruby-openid gem version 2.1.2.

vendor/plugins/open_id_authentication/tasks/open_id_authentication_tasks.rake

@@ -0,0 +1,30 @@
+namespace :open_id_authentication do
+  namespace :db do
+    desc "Creates authentication tables for use with OpenIdAuthentication"
+    task :create => :environment do
+      generate_migration(["open_id_authentication_tables", "add_open_id_authentication_tables"])
+    end
+
+    desc "Upgrade authentication tables from ruby-openid 1.x.x to 2.x.x"
+    task :upgrade => :environment do
+      generate_migration(["upgrade_open_id_authentication_tables", "upgrade_open_id_authentication_tables"])
+    end
+
+    def generate_migration(args)
+      require 'rails_generator'
+      require 'rails_generator/scripts/generate'
+
+      if ActiveRecord::Base.connection.supports_migrations?
+        Rails::Generator::Scripts::Generate.new.run(args)
+      else
+        raise "Task unavailable to this database (no migration support)"
+      end
+    end
+
+    desc "Clear the authentication tables"
+    task :clear => :environment do
+      OpenIdAuthentication::DbStore.cleanup_nonces
+      OpenIdAuthentication::DbStore.cleanup_associations
+    end
+  end
+end